diff --git a/pr_agent/servers/github_polling.py b/pr_agent/servers/github_polling.py
index 627390c0..52c00552 100644
--- a/pr_agent/servers/github_polling.py
+++ b/pr_agent/servers/github_polling.py
@@ -80,6 +80,8 @@ async def polling_loop():
                                 if 'subject' in notification and notification['subject']['type'] == 'PullRequest':
                                     pr_url = notification['subject']['url']
                                     latest_comment = notification['subject']['latest_comment_url']
+                                    if not latest_comment or not isinstance(latest_comment, str):
+                                        continue
                                     async with session.get(latest_comment, headers=headers) as comment_response:
                                         if comment_response.status == 200:
                                             comment = await comment_response.json()
diff --git a/pr_agent/tools/pr_code_suggestions.py b/pr_agent/tools/pr_code_suggestions.py
index ca7b4d88..170bb00e 100644
--- a/pr_agent/tools/pr_code_suggestions.py
+++ b/pr_agent/tools/pr_code_suggestions.py
@@ -522,7 +522,7 @@ class PRCodeSuggestions:
             data = {"code_suggestions": []}
             for j, predictions in enumerate(prediction_list):  # each call adds an element to the list
                 if "code_suggestions" in predictions:
-                    score_threshold = max(1, get_settings().pr_code_suggestions.suggestions_score_threshold)
+                    score_threshold = max(1, int(get_settings().pr_code_suggestions.suggestions_score_threshold))
                     for i, prediction in enumerate(predictions["code_suggestions"]):
                         try:
                             if get_settings().pr_code_suggestions.self_reflect_on_suggestions: