diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f33e1200175036ad379d2d30a2423ebd55438371..b3a99c826cbd4483d74da63d4da3841a2b35fe1c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -13,20 +13,24 @@ deploy to preview:
     environment:
         name: preview
     script:
-        - echo $ENV_PREVIEW_FILE | base64 -d >> ./.env
+        - echo "" >> ./.env
+        - echo $ENV_PREVIEW_FILE | base64 -di >> ./.env
         - set -o allexport; source .env; set +o allexport
 
         - eval $(ssh-agent -s)
-        - echo "$SSH_PRIVATE_KEY" | base64 -d | tr -d '\r' | ssh-add - > /dev/null
+        - echo "$SSH_PRIVATE_KEY" | base64 -di > sshkey
+        - echo "" >> sshkey
+        - cat sshkey | tr -d '\r' | ssh-add - > /dev/null
+
         - mkdir -p ~/.ssh
         - chmod 700 ~/.ssh
-        - echo "$PRIVATE_HOST_KEY" | base64 -d > ~/.ssh/known_hosts
+        - echo "$PRIVATE_HOST_KEY" | base64 -di > ~/.ssh/known_hosts
 
         - npm i
         - echo "APP_VERSION=$CI_COMMIT_TAG" >> ./.env
         - npm run build
 
         - ssh openfing@openfing.fing.edu.uy 'rm -rf ~/openfing/preview; mkdir ~/openfing/preview'
-        - scp -r ./build/* openfing@openfing.fing.edu.uy:~/openfing/preview
+        - scp -r ./dist/* openfing@openfing.fing.edu.uy:~/openfing/preview
     only:
         - /^v\d+\.\d+\.\d+-preview\d+$/