diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4554792..4e00ba6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,8 +11,8 @@ include:
 plan:
   stage: plan
   variables:
-    WORKDIR: $CI_PROJECT_DIR/terraform
-    ARGUMENTS: -var="pm_password=$pm_password" -var="pm_api_url=$pm_api_url"
+    WORKDIR: $CI_PROJECT_DIR/terraform"
+    ARGUMENTS: "-var='pm_password=$pm_password' -var='pm_api_url=$pm_api_url'"
   allow_failure: false
   extends: .terraform_plan
   only: