diff --git a/action.yml b/action.yml
index 2316cca..ff29e21 100644
--- a/action.yml
+++ b/action.yml
@@ -14,7 +14,7 @@ inputs:
     iterations:
         description: 'The maximum amount of iterations to produce fibonacci numbers'
         required: false
-        default: 10
+        default: '10'
 
 outputs:
     lastNumber: