diff --git a/mount.c b/mount.c
index 174f5bf..238262b 100644
--- a/mount.c
+++ b/mount.c
@@ -26,6 +26,7 @@
 #include <sys/mount.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <sys/sysmacros.h>
 #include <sys/wait.h>
 
 #ifndef DISABLE_NETWORK