--- a/gl/lib/mountlist.c
+++ b/gl/lib/mountlist.c
@@ -33,6 +33,8 @@
 
 #include <unistd.h>
 
+#include <sys/sysmacros.h>
+
 #if HAVE_SYS_PARAM_H
 # include <sys/param.h>
 #endif