1 files changed, 1 insertions, 1 deletions
diff --git a/src/test/test-cgroup-util.c b/src/test/test-cgroup-util.c
index 4ecf09a29e..267dda651d 100644
--- a/src/test/test-cgroup-util.c
+++ b/src/test/test-cgroup-util.c
@@ -19,12 +19,12 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-
 #include "util.h"
 #include "cgroup-util.h"
 #include "test-helper.h"
 #include "formats-util.h"
 #include "process-util.h"
+#include "string-util.h"
 
 static void check_p_d_u(const char *path, int code, const char *result) {
         _cleanup_free_ char *unit = NULL;