diff --git a/.travis.yml b/.travis.yml
index e49a44aa77d..27274e81945 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -470,7 +470,7 @@ script:
 - |
   echo "Unit testing"
   # Ensure we catch errors. Set this to +e if you want to go to the end to see dolibarr.log file.
-  set +e
+  set -e
   phpunit -d memory_limit=-1 -c test/phpunit/phpunittest.xml test/phpunit/AllTests.php
   phpunitresult=$?
   echo "Phpunit return code = $phpunitresult"