diff --git a/.gitignore b/.gitignore
index 7517ac8..f57b8c7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,6 @@ node_modules
 .vscode-test
 *.vsix
 .DS_Store
+
+# Temporary test files
+test_*.js
diff --git a/src/services/codeqlService.ts b/src/services/codeqlService.ts
index f34edb3..f4a3a36 100644
--- a/src/services/codeqlService.ts
+++ b/src/services/codeqlService.ts
@@ -136,6 +136,10 @@ export class CodeQLService {
       );
     }
 
+    // Ensure languages are always mapped to CodeQL languages, even if manually configured
+    // This prevents issues where users might manually configure "typescript" instead of "javascript"
+    languages = this.mapLanguagesToCodeQL(languages);
+
     this.logger.info(
       "CodeQLService",
       `Detected languages: [${languages.join(", ")}]`