diff --git a/src/services/engine.ts b/src/services/engine.ts
index 0865fa7..68c6d23 100644
--- a/src/services/engine.ts
+++ b/src/services/engine.ts
@@ -93,7 +93,7 @@ export default class LlmEngine {
     }
 
     // check if amy of the messages in the thread have an attachment
-    return thread.some((msg) => msg.attachment)
+    return thread.some((msg) => msg.attachment && imageFormats.includes(msg.attachment.format))
 
   }