diff --git a/selfdrive/test/process_replay/model_replay.py b/selfdrive/test/process_replay/model_replay.py
index 9d102fb5891557..123383477246d2 100755
--- a/selfdrive/test/process_replay/model_replay.py
+++ b/selfdrive/test/process_replay/model_replay.py
@@ -86,7 +86,8 @@ def comment_replay_report(proposed, master, full_logs):
 
     GITHUB.upload_files(DATA_BUCKET, [(x[0], tmp + '/' + x[0]) for x in files])
 
-    log_name = get_log_fn(TEST_ROUTE, get_commit())
+    commit = get_commit()
+    log_name = get_log_fn(TEST_ROUTE, commit)
     save_log(log_name, full_logs)
     GITHUB.upload_file(DATA_BUCKET, os.path.basename(log_name), log_name)
 
@@ -94,8 +95,8 @@ def comment_replay_report(proposed, master, full_logs):
     link = GITHUB.get_bucket_link(DATA_BUCKET)
     diff_plots = create_table("Model Replay Differences", diff_files, link, open_table=True)
     all_plots = create_table("All Model Replay Plots", files, link)
-    comment = f"new ref: {link}/{log_name}" + diff_plots + all_plots
-    GITHUB.comment_on_pr(comment, "commaci-public", PR_BRANCH)
+    comment = f"ref for commit {commit}: {link}/{log_name}" + diff_plots + all_plots
+    GITHUB.comment_on_pr(comment, PR_BRANCH)
 
 def trim_logs_to_max_frames(logs, max_frames, frs_types, include_all_types):
   all_msgs = []
diff --git a/tools/lib/github_utils.py b/tools/lib/github_utils.py
index dd1c3e20d08100..4dc22b9524f7aa 100644
--- a/tools/lib/github_utils.py
+++ b/tools/lib/github_utils.py
@@ -84,18 +84,20 @@ def get_pr_number(self, pr_branch):
   def get_bucket_link(self, bucket):
     return f'https://raw.githubusercontent.com/{self.OWNER}/{self.DATA_REPO}/refs/heads/{bucket}'
 
-  def comment_on_pr(self, comment, commenter, pr_branch):
+  def comment_on_pr(self, comment, pr_branch, commenter="", overwrite=False):
     pr_number = self.get_pr_number(pr_branch)
     data = f'{{"body": "{comment}"}}'
-    github_path = f'issues/{pr_number}/comments'
-    r = self.api_call(github_path)
-    comments = [x['id'] for x in r.json() if x['user']['login'] == commenter]
-    if comments:
-      github_path = f'issues/comments/{comments[0]}'
-      self.api_call(github_path, data=data, method=HTTPMethod.PATCH)
-    else:
-      github_path=f'issues/{pr_number}/comments'
-      self.api_call(github_path, data=data, method=HTTPMethod.POST)
+    if overwrite:
+      github_path = f'issues/{pr_number}/comments'
+      r = self.api_call(github_path)
+      comments = [x['id'] for x in r.json() if x['user']['login'] == commenter]
+      if comments:
+        github_path = f'issues/comments/{comments[0]}'
+        self.api_call(github_path, data=data, method=HTTPMethod.PATCH)
+        return
+
+    github_path=f'issues/{pr_number}/comments'
+    self.api_call(github_path, data=data, method=HTTPMethod.POST)
 
   # upload files to github and comment them on the pr
   def comment_images_on_pr(self, title, commenter, pr_branch, bucket, images):