diff --git a/action.yml b/action.yml
index 6dafca9..10e1117 100644
--- a/action.yml
+++ b/action.yml
@@ -65,7 +65,7 @@ runs:
 
     - name: Login to Hashicorp Vault with token
       shell: bash
-      if: contains(inputs.HC_VAULT_AUTH,'token') || 
+      if: contains(inputs.HC_VAULT_AUTH,'token') || ${{ inputs.HC_VAULT_AUTH }} == ''
       env:
         VAULT_ADDR: ${{ inputs.HC_VAULT_ADDR }}
         VAULT_SKIP_VERIFY: "true"