diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cea1928..0e75677 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -55,7 +55,7 @@ deploy:
     SSH_HOST: "158.160.172.23"
     SSH_USER: "ubuntu"
     SSH_ADDRESS: "$SSH_USER@$SSH_HOST"
-    SSH_PRIVATE_KEY: $SSH_PRIVATE_KEY
+    SSH_PRIVATE_KEY: "$SSH_PRIVATE_KEY"
   script:
     - mkdir -p ~/.ssh
     - chmod 700 ~/.ssh