diff --git a/toolsrc/src/vcpkg-test/paragraph.cpp b/toolsrc/src/vcpkg-test/paragraph.cpp
index 356ee88f8bba06..cb3f8e6207b502 100644
--- a/toolsrc/src/vcpkg-test/paragraph.cpp
+++ b/toolsrc/src/vcpkg-test/paragraph.cpp
@@ -60,6 +60,7 @@ TEST_CASE ("SourceParagraph construct invalid", "[paragraph]")
     }});
 
     REQUIRE(!m_pgh.has_value());
+    REQUIRE(m_pgh.error()->has_error());
 
     m_pgh = test_parse_control_file({{
         {"Source", "zlib"},
@@ -68,6 +69,7 @@ TEST_CASE ("SourceParagraph construct invalid", "[paragraph]")
     }});
 
     REQUIRE(!m_pgh.has_value());
+    REQUIRE(m_pgh.error()->has_error());
 
     m_pgh = test_parse_control_file({
         {
@@ -81,6 +83,16 @@ TEST_CASE ("SourceParagraph construct invalid", "[paragraph]")
     });
 
     REQUIRE(!m_pgh.has_value());
+    REQUIRE(m_pgh.error()->has_error());
+
+    // invalid field`s name
+    m_pgh = test_parse_control_file({{
+        {"Surce", "zlib"},
+        {"Vursion", "1.2.8"},
+    }});
+
+    REQUIRE(!m_pgh.has_value());
+    REQUIRE(m_pgh.error()->has_error());
 }
 
 TEST_CASE ("SourceParagraph construct maximum", "[paragraph]")