diff --git a/GNUmakefile b/GNUmakefile
index c2da3e1b8..399fa44f0 100755
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -46,7 +46,7 @@ fixtures: ## Load fixtures into database
 	php bin/console doctrine:fixtures:load --no-interaction --env=test
 
 test: prepare fixtures ## Launch wallabag testsuite
-	bin/simple-phpunit -v
+	XDEBUG_MODE=off bin/simple-phpunit -v
 
 release: ## Create a package. Need a VERSION parameter (eg: `make release VERSION=master`).
 ifndef VERSION