diff --git a/backend/app/auth/oauth_state/crud.py b/backend/app/auth/oauth_state/crud.py
index 7fedd67f2..3b15d9ebf 100644
--- a/backend/app/auth/oauth_state/crud.py
+++ b/backend/app/auth/oauth_state/crud.py
@@ -33,7 +33,7 @@ def get_oauth_state_by_id(
         return None
 
     # Check expiry
-    if datetime.now(timezone.utc) > oauth_state.expires_at:
+    if datetime.now(timezone.utc) > oauth_state.expires_at.replace(tzinfo=timezone.utc):
         core_logger.print_to_log(f"OAuth state expired: {state_id[:8]}...", "warning")
         return None