diff --git a/tests/Makefile b/tests/Makefile
index 89624f7..ed96491 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -40,7 +40,7 @@ setup:	##@docker prepare test-application stack
 
 up:	##@docker start test-application stack
 	$(DOCKER_COMPOSE) up -d
-	$(DOCKER_COMPOSE) exec mariadb /init-example-databases.sh
+	$(DOCKER_COMPOSE) exec -T mariadb /init-example-databases.sh
 
 test:    ##@docker run tests
 	$(DOCKER_COMPOSE) run $(PHP) bash -c "while ! curl mariadb:3306; do ((c++)) && ((c==30)) && break; sleep 2; done"
@@ -80,4 +80,4 @@ help:				##@base Show this help
 	#
 	# General targets
 	#
-	@perl -e '$(HELP_FUN)' $(MAKEFILE_LIST)
\ No newline at end of file
+	@perl -e '$(HELP_FUN)' $(MAKEFILE_LIST)