diff --git a/sync/bug.py b/sync/bug.py
index 5bf832bd5..43df5377c 100644
--- a/sync/bug.py
+++ b/sync/bug.py
@@ -346,7 +346,8 @@ def get_comments(self):
     def needinfo(self, *requestees: str) -> None:
         if not requestees:
             return
-        flags = self.bug._bug.get("flags", [])
+        bug: Bug = self.bugzilla._get_bug(self.bug_id)
+        flags = bug._bug.get("flags", [])
         existing = {item["requestee"] for item in flags
                     if item["name"] == "needinfo" and
                     item["status"] == "?"}