diff --git a/pr_agent/tools/pr_description.py b/pr_agent/tools/pr_description.py
index 1f28fb69..84dd2b47 100644
--- a/pr_agent/tools/pr_description.py
+++ b/pr_agent/tools/pr_description.py
@@ -73,7 +73,7 @@ class PRDescription:
             "related_tickets": "",
             "include_file_summary_changes": len(self.git_provider.get_diff_files()) <= self.COLLAPSIBLE_FILE_LIST_THRESHOLD,
             "duplicate_prompt_examples": get_settings().config.get("duplicate_prompt_examples", False),
-            "add_diagram": get_settings().config.get('pr_description.add_diagram', True),
+            "add_diagram": get_settings().config.get('pr_description.add_diagram', False),
         }
 
         self.user_description = self.git_provider.get_user_description()