diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1573327..64cc92e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -30,6 +30,7 @@ synchro-et-tests:
       for file in $files
       do
         echo "Test de $file"
+        stl log clean
         stl check $file | grep Err && errors=$((errors+1)) # error if err is read in standard output
       done
       [ $errors -gt 0 ] && false
@@ -48,6 +49,7 @@ deploiement:      # This job runs in the deploy stage.
       for file in $files
       do
         echo "Construction de $file"
+        stl log clean
         stl wip $file | grep Err && errors=$((errors+1)) # error if err is read in standard output
       done
       [ $errors -gt 0 ] && false