diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8fd12b55c6c1890d76957a722a1bcd41f23d6de1..af22825c772ed7e2eafe0b103b72c046cb12cde2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -41,7 +41,7 @@ check-gke:
   before_script:
     - |
       cd $TF_ROOT_GKE
-      echo $GCP_SA > gcp-sa.json
+      echo "$GCP_SA" > gcp-sa.json
   script:
     - |
       gitlab-terraform init