diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f07bdb6..575e3be 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -66,7 +66,7 @@ commit_windows_deps:
   before_script:
     - apk add --update git openssh-client
     - eval $(ssh-agent -s)
-    - echo $env:WINDOWS_SSH_PRIVATE_KEY | & ssh-add -
+    - echo "$WINDOWS_SSH_PRIVATE_KEY" | & ssh-add -
     - git config --global user.name "Gitlab CI"
     - git config --global user.email "ci@gitlab.com"
   script: