diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d161aff3..d5145dfc 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -45,13 +45,13 @@ deploy-dev:
   image: alpine:3.20
 
   before_script:
-    - apk add --no-cache openssh curl
-    - mkdir -p ~/.ssh
-    - echo \"$SSH_PRIVATE_KEY\" > ~/.ssh/id_rsa
-    - chmod 600 ~/.ssh/id_rsa
-    - eval $(ssh-agent -s)
-    - ssh-add ~/.ssh/id_rsa
-    - ssh-keyscan -H \"$SERVER_IP\" >> ~/.ssh/known_hosts
+  - apk add --no-cache openssh curl
+  - mkdir -p ~/.ssh
+  - printf "%b" "$SSH_PRIVATE_KEY" > ~/.ssh/id_rsa
+  - chmod 600 ~/.ssh/id_rsa
+  - eval $(ssh-agent -s)
+  - ssh-add ~/.ssh/id_rsa
+  - ssh-keyscan -H "$SERVER_IP" >> ~/.ssh/known_hosts
 
   script:
     - ssh -o StrictHostKeyChecking=no \"$SERVER_USER@$SERVER_IP\" \"docker stop dev-web-lti || true && docker rm dev-web-lti || true && docker pull $CI_REGISTRY_IMAGE/web-lti:development_${CI_COMMIT_SHORT_SHA} && docker run -d --name dev-web-lti --network dev-lti-network -p 3002:3000 $CI_REGISTRY_IMAGE/web-lti:development_${CI_COMMIT_SHORT_SHA}\"