diff --git a/kubectl/configure/action.yml b/kubectl/configure/action.yml
index 18c437b..45c992a 100644
--- a/kubectl/configure/action.yml
+++ b/kubectl/configure/action.yml
@@ -16,7 +16,9 @@ runs:
   steps:
     - name: Mask kubeconfig
       shell: sh
-      run: echo "::add-mask::${{ inputs.K8S_CONFIG }}"
+      env:
+        K8S_CONFIG: ${{ inputs.K8S_CONFIG }}
+      run: echo "::add-mask::$K8S_CONFIG"
 
     - name: Configure kubectl
       shell: sh