diff --git a/action.yml b/action.yml
index f3c505bd..faf5a33b 100644
--- a/action.yml
+++ b/action.yml
@@ -11,7 +11,7 @@ inputs:
   ignore_sha:
     description: 'Optional - Allow canceling other workflows with the same SHA. Useful for the `pull_request.closed` event.'
     required: false
-    default: false
+    default: 'false'
   access_token:
     description: 'Your GitHub Access Token, defaults to: {{ github.token }}'
     default: '${{ github.token }}'