diff --git a/lib/datasource/index.ts b/lib/datasource/index.ts
index 0baf27680ba87e25acc12e537c54490e808df300..6b20b1746dd07d51fc1127172390e9796ddfc677 100644
--- a/lib/datasource/index.ts
+++ b/lib/datasource/index.ts
@@ -115,6 +115,7 @@ export async function getPkgReleases(
       log('Unknown', 'info');
       logger.debug({ err }, 'Datasource Error err');
     }
+    return null;
   }
   if (!res) {
     return res;