diff --git a/src/nm-sleep-monitor-upower.c b/src/nm-sleep-monitor-upower.c
index 5f0ff24552..8d0719039c 100644
--- a/src/nm-sleep-monitor-upower.c
+++ b/src/nm-sleep-monitor-upower.c
@@ -24,6 +24,7 @@
 #include <sys/stat.h>
 
 #include "nm-core-internal.h"
+#include "NetworkManagerUtils.h"
 
 #include "nm-sleep-monitor.h"