diff --git a/src/client/connection/response/certificate.rs b/src/client/connection/response/certificate.rs
index 450d6d7..160e2f0 100644
--- a/src/client/connection/response/certificate.rs
+++ b/src/client/connection/response/certificate.rs
@@ -55,10 +55,11 @@ impl std::fmt::Display for Certificate {
             f,
             "{}",
             match self {
-                Self::Required { message } => message.as_deref().unwrap_or(REQUIRED.1),
-                Self::NotAuthorized { message } => message.as_deref().unwrap_or(NOT_AUTHORIZED.1),
-                Self::NotValid { message } => message.as_deref().unwrap_or(NOT_VALID.1),
+                Self::Required { .. } => REQUIRED,
+                Self::NotAuthorized { .. } => NOT_AUTHORIZED,
+                Self::NotValid { .. } => NOT_VALID,
             }
+            .1
         )
     }
 }
@@ -104,6 +105,7 @@ fn test_from_str() {
 
     assert_eq!(required.message(), Some("Message"));
     assert_eq!(required.to_code(), REQUIRED.0);
+    assert_eq!(required.to_string(), REQUIRED.1);
 
     let required = Certificate::from_str("60\r\n").unwrap();
 
diff --git a/src/client/connection/response/failure/permanent.rs b/src/client/connection/response/failure/permanent.rs
index 08b6c56..e2ab9e0 100644
--- a/src/client/connection/response/failure/permanent.rs
+++ b/src/client/connection/response/failure/permanent.rs
@@ -64,13 +64,13 @@ impl std::fmt::Display for Permanent {
             f,
             "{}",
             match self {
-                Self::Default { message } => message.as_deref().unwrap_or(DEFAULT.1),
-                Self::NotFound { message } => message.as_deref().unwrap_or(NOT_FOUND.1),
-                Self::Gone { message } => message.as_deref().unwrap_or(GONE.1),
-                Self::ProxyRequestRefused { message } =>
-                    message.as_deref().unwrap_or(PROXY_REQUEST_REFUSED.1),
-                Self::BadRequest { message } => message.as_deref().unwrap_or(BAD_REQUEST.1),
+                Self::Default { .. } => DEFAULT,
+                Self::NotFound { .. } => NOT_FOUND,
+                Self::Gone { .. } => GONE,
+                Self::ProxyRequestRefused { .. } => PROXY_REQUEST_REFUSED,
+                Self::BadRequest { .. } => BAD_REQUEST,
             }
+            .1
         )
     }
 }
@@ -126,44 +126,54 @@ fn test_from_str() {
     let default = Permanent::from_str("50 Message\r\n").unwrap();
     assert_eq!(default.message(), Some("Message"));
     assert_eq!(default.to_code(), DEFAULT.0);
+    assert_eq!(default.to_string(), DEFAULT.1);
 
     let default = Permanent::from_str("50\r\n").unwrap();
     assert_eq!(default.message(), None);
     assert_eq!(default.to_code(), DEFAULT.0);
+    assert_eq!(default.to_string(), DEFAULT.1);
 
     // 51
     let not_found = Permanent::from_str("51 Message\r\n").unwrap();
     assert_eq!(not_found.message(), Some("Message"));
     assert_eq!(not_found.to_code(), NOT_FOUND.0);
+    assert_eq!(not_found.to_string(), NOT_FOUND.1);
 
     let not_found = Permanent::from_str("51\r\n").unwrap();
     assert_eq!(not_found.message(), None);
     assert_eq!(not_found.to_code(), NOT_FOUND.0);
+    assert_eq!(not_found.to_string(), NOT_FOUND.1);
 
     // 52
     let gone = Permanent::from_str("52 Message\r\n").unwrap();
     assert_eq!(gone.message(), Some("Message"));
     assert_eq!(gone.to_code(), GONE.0);
+    assert_eq!(gone.to_string(), GONE.1);
 
     let gone = Permanent::from_str("52\r\n").unwrap();
     assert_eq!(gone.message(), None);
     assert_eq!(gone.to_code(), GONE.0);
+    assert_eq!(gone.to_string(), GONE.1);
 
     // 53
     let proxy_request_refused = Permanent::from_str("53 Message\r\n").unwrap();
     assert_eq!(proxy_request_refused.message(), Some("Message"));
     assert_eq!(proxy_request_refused.to_code(), PROXY_REQUEST_REFUSED.0);
+    assert_eq!(proxy_request_refused.to_string(), PROXY_REQUEST_REFUSED.1);
 
     let proxy_request_refused = Permanent::from_str("53\r\n").unwrap();
     assert_eq!(proxy_request_refused.message(), None);
     assert_eq!(proxy_request_refused.to_code(), PROXY_REQUEST_REFUSED.0);
+    assert_eq!(proxy_request_refused.to_string(), PROXY_REQUEST_REFUSED.1);
 
     // 59
     let bad_request = Permanent::from_str("59 Message\r\n").unwrap();
     assert_eq!(bad_request.message(), Some("Message"));
     assert_eq!(bad_request.to_code(), BAD_REQUEST.0);
+    assert_eq!(bad_request.to_string(), BAD_REQUEST.1);
 
     let bad_request = Permanent::from_str("59\r\n").unwrap();
     assert_eq!(bad_request.message(), None);
     assert_eq!(bad_request.to_code(), BAD_REQUEST.0);
+    assert_eq!(bad_request.to_string(), BAD_REQUEST.1);
 }
diff --git a/src/client/connection/response/failure/temporary.rs b/src/client/connection/response/failure/temporary.rs
index 363645e..768bdcd 100644
--- a/src/client/connection/response/failure/temporary.rs
+++ b/src/client/connection/response/failure/temporary.rs
@@ -64,13 +64,13 @@ impl std::fmt::Display for Temporary {
             f,
             "{}",
             match self {
-                Self::Default { message } => message.as_deref().unwrap_or(DEFAULT.1),
-                Self::ServerUnavailable { message } =>
-                    message.as_deref().unwrap_or(SERVER_UNAVAILABLE.1),
-                Self::CgiError { message } => message.as_deref().unwrap_or(CGI_ERROR.1),
-                Self::ProxyError { message } => message.as_deref().unwrap_or(PROXY_ERROR.1),
-                Self::SlowDown { message } => message.as_deref().unwrap_or(SLOW_DOWN.1),
+                Self::Default { .. } => DEFAULT,
+                Self::ServerUnavailable { .. } => SERVER_UNAVAILABLE,
+                Self::CgiError { .. } => CGI_ERROR,
+                Self::ProxyError { .. } => PROXY_ERROR,
+                Self::SlowDown { .. } => SLOW_DOWN,
             }
+            .1
         )
     }
 }
@@ -126,44 +126,54 @@ fn test_from_str() {
     let default = Temporary::from_str("40 Message\r\n").unwrap();
     assert_eq!(default.message(), Some("Message"));
     assert_eq!(default.to_code(), DEFAULT.0);
+    assert_eq!(default.to_string(), DEFAULT.1);
 
     let default = Temporary::from_str("40\r\n").unwrap();
     assert_eq!(default.message(), None);
     assert_eq!(default.to_code(), DEFAULT.0);
+    assert_eq!(default.to_string(), DEFAULT.1);
 
     // 41
     let server_unavailable = Temporary::from_str("41 Message\r\n").unwrap();
     assert_eq!(server_unavailable.message(), Some("Message"));
     assert_eq!(server_unavailable.to_code(), SERVER_UNAVAILABLE.0);
+    assert_eq!(server_unavailable.to_string(), SERVER_UNAVAILABLE.1);
 
     let server_unavailable = Temporary::from_str("41\r\n").unwrap();
     assert_eq!(server_unavailable.message(), None);
     assert_eq!(server_unavailable.to_code(), SERVER_UNAVAILABLE.0);
+    assert_eq!(server_unavailable.to_string(), SERVER_UNAVAILABLE.1);
 
     // 42
     let cgi_error = Temporary::from_str("42 Message\r\n").unwrap();
     assert_eq!(cgi_error.message(), Some("Message"));
     assert_eq!(cgi_error.to_code(), CGI_ERROR.0);
+    assert_eq!(cgi_error.to_string(), CGI_ERROR.1);
 
     let cgi_error = Temporary::from_str("42\r\n").unwrap();
     assert_eq!(cgi_error.message(), None);
     assert_eq!(cgi_error.to_code(), CGI_ERROR.0);
+    assert_eq!(cgi_error.to_string(), CGI_ERROR.1);
 
     // 43
     let proxy_error = Temporary::from_str("43 Message\r\n").unwrap();
     assert_eq!(proxy_error.message(), Some("Message"));
     assert_eq!(proxy_error.to_code(), PROXY_ERROR.0);
+    assert_eq!(proxy_error.to_string(), PROXY_ERROR.1);
 
     let proxy_error = Temporary::from_str("43\r\n").unwrap();
     assert_eq!(proxy_error.message(), None);
     assert_eq!(proxy_error.to_code(), PROXY_ERROR.0);
+    assert_eq!(proxy_error.to_string(), PROXY_ERROR.1);
 
     // 44
     let slow_down = Temporary::from_str("44 Message\r\n").unwrap();
     assert_eq!(slow_down.message(), Some("Message"));
     assert_eq!(slow_down.to_code(), SLOW_DOWN.0);
+    assert_eq!(slow_down.to_string(), SLOW_DOWN.1);
 
     let slow_down = Temporary::from_str("44\r\n").unwrap();
     assert_eq!(slow_down.message(), None);
     assert_eq!(slow_down.to_code(), SLOW_DOWN.0);
+    assert_eq!(slow_down.to_string(), SLOW_DOWN.1);
 }
diff --git a/src/client/connection/response/input.rs b/src/client/connection/response/input.rs
index 56dcc08..b62276b 100644
--- a/src/client/connection/response/input.rs
+++ b/src/client/connection/response/input.rs
@@ -46,9 +46,10 @@ impl std::fmt::Display for Input {
             f,
             "{}",
             match self {
-                Self::Default { message } => message.as_deref().unwrap_or(DEFAULT.1),
-                Self::Sensitive { message } => message.as_deref().unwrap_or(SENSITIVE.1),
+                Self::Default { .. } => DEFAULT,
+                Self::Sensitive { .. } => SENSITIVE,
             }
+            .1
         )
     }
 }
@@ -87,23 +88,23 @@ fn test_from_str() {
 
     // 10
     let default = Input::from_str("10 Default\r\n").unwrap();
-    assert_eq!(default.to_code(), DEFAULT.0);
     assert_eq!(default.message(), Some("Default"));
-    assert_eq!(default.to_string(), "Default");
+    assert_eq!(default.to_code(), DEFAULT.0);
+    assert_eq!(default.to_string(), DEFAULT.1);
 
     let default = Input::from_str("10\r\n").unwrap();
-    assert_eq!(default.to_code(), DEFAULT.0);
     assert_eq!(default.message(), None);
+    assert_eq!(default.to_code(), DEFAULT.0);
     assert_eq!(default.to_string(), DEFAULT.1);
 
     // 11
     let sensitive = Input::from_str("11 Sensitive\r\n").unwrap();
-    assert_eq!(sensitive.to_code(), SENSITIVE.0);
     assert_eq!(sensitive.message(), Some("Sensitive"));
-    assert_eq!(sensitive.to_string(), "Sensitive");
+    assert_eq!(sensitive.to_code(), SENSITIVE.0);
+    assert_eq!(sensitive.to_string(), SENSITIVE.1);
 
     let sensitive = Input::from_str("11\r\n").unwrap();
-    assert_eq!(sensitive.to_code(), SENSITIVE.0);
     assert_eq!(sensitive.message(), None);
+    assert_eq!(sensitive.to_code(), SENSITIVE.0);
     assert_eq!(sensitive.to_string(), SENSITIVE.1);
 }
diff --git a/src/client/connection/response/redirect.rs b/src/client/connection/response/redirect.rs
index cfb8c21..7c694fd 100644
--- a/src/client/connection/response/redirect.rs
+++ b/src/client/connection/response/redirect.rs
@@ -3,8 +3,8 @@ pub use error::Error;
 
 use glib::GStringPtr;
 
-const TEMPORARY: u8 = 30;
-const PERMANENT: u8 = 31;
+const TEMPORARY: (u8, &str) = (30, "Temporary redirect");
+const PERMANENT: (u8, &str) = (31, "Permanent redirect");
 
 pub enum Redirect {
     /// https://geminiprotocol.net/docs/protocol-specification.gmi#status-30-temporary-redirection
@@ -32,6 +32,7 @@ impl Redirect {
             Self::Permanent { .. } => PERMANENT,
             Self::Temporary { .. } => TEMPORARY,
         }
+        .0
     }
 
     // Getters
@@ -50,9 +51,10 @@ impl std::fmt::Display for Redirect {
             f,
             "{}",
             match self {
-                Self::Permanent { target } => format!("Permanent redirection to `{target}`"),
-                Self::Temporary { target } => format!("Temporary redirection to `{target}`"),
+                Self::Permanent { .. } => PERMANENT,
+                Self::Temporary { .. } => TEMPORARY,
             }
+            .1
         )
     }
 }
@@ -104,9 +106,11 @@ fn test_from_str() {
 
     let temporary = Redirect::from_str("30 /uri\r\n").unwrap();
     assert_eq!(temporary.target(), "/uri");
-    assert_eq!(temporary.to_code(), TEMPORARY);
+    assert_eq!(temporary.to_code(), TEMPORARY.0);
+    assert_eq!(temporary.to_string(), TEMPORARY.1);
 
     let permanent = Redirect::from_str("31 /uri\r\n").unwrap();
     assert_eq!(permanent.target(), "/uri");
-    assert_eq!(permanent.to_code(), PERMANENT);
+    assert_eq!(permanent.to_code(), PERMANENT.0);
+    assert_eq!(permanent.to_string(), PERMANENT.1);
 }