diff --git a/.github/workflows/run-e2e-automation-tests.yml b/.github/workflows/run-e2e-automation-tests.yml
index d545fd344..893ef77fa 100644
--- a/.github/workflows/run-e2e-automation-tests.yml
+++ b/.github/workflows/run-e2e-automation-tests.yml
@@ -71,7 +71,8 @@ on:
       mns_validation_required:
         description: Set to true if you want the MNS validation to be performed as part of the tests. please keep in mind it will increase execution time.
         default: "false"
-        type: boolean
+        required: false
+        type: string
 
 env:
   APIGEE_AUTH_ENV: ${{ inputs.apigee_environment == 'int' && inputs.apigee_environment || 'internal-dev' }}