diff --git a/src/machine/machined-dbus.c b/src/machine/machined-dbus.c
index d60be0d3ba..71f985345a 100644
--- a/src/machine/machined-dbus.c
+++ b/src/machine/machined-dbus.c
@@ -37,6 +37,7 @@
 #include "unit-name.h"
 #include "bus-util.h"
 #include "time-util.h"
+#include "cgroup-util.h"
 #include "machined.h"
 
 static bool valid_machine_name(const char *p) {