diff --git a/Makefile b/Makefile
index 79fac4a..65a784c 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ CI_IMAGE_NAME = go-ceph-ci
 CONTAINER_CMD ?=
 CONTAINER_OPTS := --security-opt $(shell grep -q selinux /sys/kernel/security/lsm && echo "label=disable" || echo "apparmor:unconfined")
 CONTAINER_CONFIG_DIR := testing/containers/ceph
-VOLUME_FLAGS := 
+VOLUME_FLAGS :=
 CEPH_VERSION := nautilus
 RESULTS_DIR :=
 CHECK_GOFMT_FLAGS := -e -s -l