diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bd7a993..eb1eeaf 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -21,7 +21,9 @@ synchro-et-tests:
   stage: build
   script:
     - rsync -avzlh * /home/webmaster/site-chalec.org/articles/
-    - files=$(git diff-tree --no-commit-id --name-only -r $CI_COMMIT_SHA|grep stl || ls *.stl)
+    - |+
+      files=
+      files=$(git diff-tree --no-commit-id --name-only -r $CI_COMMIT_SHA | grep stl || ls *.stl)
     - cd /home/webmaster/site-chalec.org
     - |+
       errors=
@@ -39,7 +41,9 @@ synchro-et-tests:
 deploiement:      # This job runs in the deploy stage.
   stage: deploy  # It only runs when *both* jobs in the test stage complete successfully.
   script:
-    - files=$(git diff-tree --no-commit-id --name-only -r $CI_COMMIT_SHA|grep stl || ls *.stl)
+    - |+
+      files=
+      files=$(git diff-tree --no-commit-id --name-only -r $CI_COMMIT_SHA | grep stl || ls *.stl)
     - cd /home/webmaster/site-chalec.org
     - |+
       errors=