diff --git a/tools/generate_sound_ids.js b/tools/generate_sound_ids.js
index 0f9c214..f1d1610 100644
--- a/tools/generate_sound_ids.js
+++ b/tools/generate_sound_ids.js
@@ -111,7 +111,7 @@ function generateLanguagesSourceFile() {
     sourcefile += 'char* AudioLanguages[] = \n{\n';
     
     for (let language of languages) {
-        sourcefile += '\t"' + language_names[language].toUpperCase() + '",\n';
+        sourcefile += '\t"' + language_names[language] + '",\n';
     }
 
     sourcefile += '};\n';
@@ -142,4 +142,4 @@ languages = temp.filter(function(cItem) {
 })
 
 fs.writeFileSync(outputLanguagesHeader, generateLanguagesHeader());
-fs.writeFileSync(outputLanguagesSourceFile, generateLanguagesSourceFile());
\ No newline at end of file
+fs.writeFileSync(outputLanguagesSourceFile, generateLanguagesSourceFile());