diff --git a/olah/mirror/repos.py b/olah/mirror/repos.py
index 3bba7c6..5ada704 100644
--- a/olah/mirror/repos.py
+++ b/olah/mirror/repos.py
@@ -243,8 +243,7 @@ def get_commits(self, commit_hash: str) -> Optional[Dict[str, Any]]:
         except gitdb.exc.BadName:
             return None
 
-        parent_commits: List[Commit] = list(commit.parents)
-        parent_commits = parent_commits.insert(0, commit)
+        parent_commits = [commit] + [each_commit for each_commit in commit.iter_parents()]
         items = []
         for each_commit in parent_commits:
             item = {