diff --git a/plugins/scaffolder-backend/src/scaffolder/stages/templater/helpers.ts b/plugins/scaffolder-backend/src/scaffolder/stages/templater/helpers.ts
index d70036ac20..11bbcd6005 100644
--- a/plugins/scaffolder-backend/src/scaffolder/stages/templater/helpers.ts
+++ b/plugins/scaffolder-backend/src/scaffolder/stages/templater/helpers.ts
@@ -68,6 +68,7 @@ export const runDockerContainer = async ({
       stream.pipe(logStream, { end: false });
       stream.on('end', () => resolve());
       stream.on('error', (error: Error) => reject(error));
+      return undefined;
     });
   });
   const [{ Error: error, StatusCode: statusCode }] = await dockerClient.run(