diff --git a/reviewrot/gerritstack.py b/reviewrot/gerritstack.py
index 24920b6..80af73f 100644
--- a/reviewrot/gerritstack.py
+++ b/reviewrot/gerritstack.py
@@ -279,7 +279,16 @@ def format_response(self, decoded_responses, age, show_last_comment):
                 self.url, str(decoded_response["id"])
             )
 
-            comments_response = self._call_api(comments_request_url)
+            try:
+                comments_response = self._call_api(comments_request_url)
+            except requests.exceptions.HTTPError as e:
+                if e.response.status_code == 404:
+                    log.warning(
+                        "Reviews with multiple changes are unsupported; got error: %s",
+                        e.response.text,
+                    )
+                    continue
+                raise
 
             last_comment = self.get_last_comment(comments_response)