diff --git a/src/index.ts b/src/index.ts
index 38feeab..2cbee50 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -29,7 +29,7 @@ const renderer = async (data: any, templateString = MD_TEMPLATE) => {
   } catch (error) {
     core.error('#renderer');
     core.error(error);
-    return '';
+    process.exit(1);
   }
 };