diff --git a/public/scripts/reasoning.js b/public/scripts/reasoning.js
index d475ca3f9..891a95326 100644
--- a/public/scripts/reasoning.js
+++ b/public/scripts/reasoning.js
@@ -493,7 +493,7 @@ export class ReasoningHandler {
             data = null;
         }
 
-        if (this.type !== ReasoningType.Model) {
+        if (this.type && this.type !== ReasoningType.Model) {
             title += ` [${translate(this.type)}]`;
             title = title.trim();
         }