diff --git a/pr_agent/algo/utils.py b/pr_agent/algo/utils.py
index 1bf37518..2b030bf2 100644
--- a/pr_agent/algo/utils.py
+++ b/pr_agent/algo/utils.py
@@ -326,7 +326,7 @@ def load_yaml(response_text: str, keys_fix_yaml: List[str] = []) -> dict:
     return data
 
 
-def try_fix_yaml(response_text: str, keys_fix_yaml: List[str]) -> dict:
+def try_fix_yaml(response_text: str, keys_fix_yaml: List[str] = []) -> dict:
     response_text_lines = response_text.split('\n')
 
     keys = ['relevant line:', 'suggestion content:', 'relevant file:', 'existing code:', 'improved code:']