diff --git a/public/scripts/reasoning.js b/public/scripts/reasoning.js
index 83154437d..e5dbce147 100644
--- a/public/scripts/reasoning.js
+++ b/public/scripts/reasoning.js
@@ -94,7 +94,7 @@ export function isHiddenReasoningModel() {
         { name: 'gemini-2.0-pro-exp', func: FUNCS.startsWith },
     ];
 
-    const model = getChatCompletionModel();
+    const model = getChatCompletionModel() || '';
 
     const isHidden = hiddenReasoningModels.some(({ name, func }) => func(model, name));
     return isHidden;