diff --git a/action.yml b/action.yml
index c05618f..b163cf3 100644
--- a/action.yml
+++ b/action.yml
@@ -66,3 +66,6 @@ inputs:
   cname:
     description: 'Set custom domain'
     required: false
+outputs:
+  skipped:
+    description: 'This parameter has true when this action skipped deployment'
diff --git a/src/main.ts b/src/main.ts
index 1964f95..9f3ce26 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -30,7 +30,7 @@ export async function run(): Promise<void> {
         core.warning(
           'This action runs on a fork and not found auth token, Skip deployment'
         );
-        core.setOutput('skip', 'true');
+        core.setOutput('skipped', 'true');
         return;
       }
     }