diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0a1b54b..f18ba92 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,15 +26,13 @@ synchro-et-tests:
       files=$(git diff-tree --no-commit-id --name-only -r $CI_COMMIT_SHA | grep stl || ls *.stl)
     - cd /home/webmaster/site-chalec.org
     - |+
-      errors=""
+      errors=0
       for file in $files
       do
         echo "Test de $file"
-        stl check $file
-        errors=$errors"\n"$(stl check $file | grep Err) # return false if error is read in standard output
+        stl check $file | grep Err && errors=$((errors+1)) # error if err is read in standard output
       done
-      echo "Récapitulatif des erreurs"
-      echo -e $errors | grep Err && false
+      test [ err -gt 0 ] && false
     - echo "Fin des tests."
 
 
@@ -50,10 +48,8 @@ deploiement:      # This job runs in the deploy stage.
       for file in $files
       do
         echo "Construction de $file"
-        stl wip $file
-        errors=$errors"\n"$(stl wip $file | grep Err) # return false if error is read in standard output
+        stl wip $file | grep Err && errors=$((errors+1)) # error if err is read in standard output
       done
-      echo "Récapitulatif des erreurs"
-      echo -e $errors | grep Err && false
+      test [ err -gt 0 ] && false
     - stl sync
     - echo "Déploiement terminé."
\ No newline at end of file