diff --git a/bbot/modules/crt.py b/bbot/modules/crt.py
index 60ea6b6a0c..cd4ed30552 100644
--- a/bbot/modules/crt.py
+++ b/bbot/modules/crt.py
@@ -23,6 +23,10 @@ async def request_url(self, query):
         url = self.helpers.add_get_params(self.base_url, params).geturl()
         return await self.api_request(url, timeout=self.http_timeout + 30)
 
+    def _api_response_is_success(self, r):
+        # handle crt.sh weird status errors
+        return getattr(r, "is_success", False) or getattr(r, "status_code", 0) not in {404, 503}
+
     async def parse_results(self, r, query):
         results = set()
         j = r.json()