diff --git a/lib/delta_sysfs.c b/lib/delta_sysfs.c
index 98e7254..e44fb3b 100644
--- a/lib/delta_sysfs.c
+++ b/lib/delta_sysfs.c
@@ -29,6 +29,7 @@
 #include <linux/fs.h>
 #include <sys/ioctl.h>
 #include <sys/utsname.h>
+#include <sys/sysmacros.h>
 
 #include "ploop.h"