diff --git a/build/open-inline-citation.xpi b/build/open-inline-citation.xpi
index 89b13cc..5fa0b7e 100644
Binary files a/build/open-inline-citation.xpi and b/build/open-inline-citation.xpi differ
diff --git a/src/bootstrap.js b/src/bootstrap.js
index 37719c4..db7beca 100644
--- a/src/bootstrap.js
+++ b/src/bootstrap.js
@@ -1,4 +1,4 @@
-const version = "0.4";
+const version = "0.5";
 
 if (typeof Zotero == "undefined") {
   var Zotero;
diff --git a/src/inline-citations.js b/src/inline-citations.js
index cfa7f75..83c9f8e 100644
--- a/src/inline-citations.js
+++ b/src/inline-citations.js
@@ -153,8 +153,7 @@ addListeners = async (doDebug = false, oicVersion = null) => {
             )
           ).json();
           if (!res.items) {
-            res.query = query;
-            alert(JSON.stringify(res));
+            throw new Error("No results found");
           }
           const links = res.items.map((i) => i.link);
           return postprocess(links);
@@ -428,14 +427,14 @@ addListeners = async (doDebug = false, oicVersion = null) => {
                 });
               }, 500);
             } catch (err) {
-              alert(err + "\n" + err.stack);
+              if(window.doDebug) alert(err + "\n" + err.stack);
             }
           }) +
           ")();";
 
         window.eval(toEval);
       } catch (err) {
-        alert(err + "\n" + err.stack);
+        if(doDebug) alert(err + "\n" + err.stack);
       }
     }
   }
diff --git a/src/install.rdf b/src/install.rdf
index ec2bd76..07dd4e5 100644
--- a/src/install.rdf
+++ b/src/install.rdf
@@ -5,7 +5,7 @@
     <Description about="urn:mozilla:install-manifest">
         <em:id>open-inline-citation@example.com</em:id>
         <em:name>Open Inline Citation</em:name>
-        <em:version>0.4</em:version>
+        <em:version>0.5</em:version>
         <em:multiprocessCompatible>true</em:multiprocessCompatible>
         <em:updateURL>https://raw.githubusercontent.com/andrew-healey/open-inline-citation/main/updates.json</em:updateURL>
         <em:homepageURL>https://github.com/andrew-healey/open-inline-citation</em:homepageURL>
diff --git a/src/manifest.json b/src/manifest.json
index fad1113..4fb7cd3 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -1,7 +1,7 @@
 {
 	"manifest_version": 2,
 	"name": "Open Inline Citation",
-	"version": "0.4",
+	"version": "0.5",
 	"description": "CMD-click any inline citation to read it in a new tab",
 	"homepage_url": "https://github.com/andrew-healey/open-inline-citation",
 	"applications": {