diff --git a/.github/workflows/sub-deploy-integration-tests-gcp.yml b/.github/workflows/sub-deploy-integration-tests-gcp.yml
index 2771af072..e132f3ac8 100644
--- a/.github/workflows/sub-deploy-integration-tests-gcp.yml
+++ b/.github/workflows/sub-deploy-integration-tests-gcp.yml
@@ -197,7 +197,7 @@ jobs:
           echo "cached_disk_name=${CACHED_DISK_NAME}" >> "${GITHUB_OUTPUT}"
           echo "STATE_VERSION=${LOCAL_STATE_VERSION}" >> "${GITHUB_ENV}"
           echo "CACHED_DISK_NAME=${CACHED_DISK_NAME}" >> "${GITHUB_ENV}"
-          echo "DISK_OPTION=image=${CACHED_DISK_NAME}" >> "${GITHUB_ENV}"
+          echo "DISK_OPTION=image=$CACHED_DISK_NAME," >> "${GITHUB_ENV}"
 
 
       # Create a Compute Engine virtual machine and attach a cached state disk using the
@@ -212,7 +212,7 @@ jobs:
           --boot-disk-type pd-ssd \
           --image-project=cos-cloud \
           --image-family=cos-stable \
-          --create-disk=${DISK_OPTION},name="${{ inputs.test_id }}-${{ env.GITHUB_SHA_SHORT }}",device-name="${{ inputs.test_id }}-${{ env.GITHUB_SHA_SHORT }}",size=400GB,type=pd-ssd \
+          --create-disk=${DISK_OPTION}name="${{ inputs.test_id }}-${{ env.GITHUB_SHA_SHORT }}",device-name="${{ inputs.test_id }}-${{ env.GITHUB_SHA_SHORT }}",size=400GB,type=pd-ssd \
           --container-image=gcr.io/google-containers/busybox \
           --machine-type ${{ vars.GCP_LARGE_MACHINE }} \
           --network-interface=subnet=${{ vars.GCP_SUBNETWORK }} \