diff --git a/.github/actions/build-test-scan-push/action.yaml b/.github/actions/build-test-scan-push/action.yaml
index d0ff8544..6e120ff2 100644
--- a/.github/actions/build-test-scan-push/action.yaml
+++ b/.github/actions/build-test-scan-push/action.yaml
@@ -84,7 +84,7 @@ runs:
     - name: Authenticate GCAR
       shell: bash
       run: |
-        if [ ! -z "${{ inputs.gcp-json }}" ]; then
+        if [[ "${{ inputs.gcp-json != '' }}" == "true" ]]; then
           gcloud auth configure-docker -q us-central1-docker.pkg.dev
           gcloud auth configure-docker -q us-docker.pkg.dev
           gcloud auth configure-docker -q asia-docker.pkg.dev