diff --git a/aider/resources/model-settings.yml b/aider/resources/model-settings.yml
index 4f1c8ec80..870d6b669 100644
--- a/aider/resources/model-settings.yml
+++ b/aider/resources/model-settings.yml
@@ -965,7 +965,7 @@
 - name: gemini/gemini-2.5-pro-exp-03-25
   edit_format: diff-fenced
   use_repo_map: true
-  weak_model_name: gemini/gemini-2.0-flash
+  weak_model_name: gemini/gemini-2.5-flash-preview-04-17
 
 - name: openrouter/google/gemini-2.5-pro-exp-03-25:free
   edit_format: diff-fenced