--- a/squashfs-tools/mksquashfs.c
+++ b/squashfs-tools/mksquashfs.c
@@ -33,6 +33,7 @@
 #include <stddef.h>
 #include <sys/time.h>
 #include <sys/types.h>
+#include <sys/sysmacros.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>
--- a/squashfs-tools/unsquashfs.c
+++ b/squashfs-tools/unsquashfs.c
@@ -30,6 +30,7 @@
 #include "xattr.h"
 
 #include <sys/types.h>
+#include <sys/sysmacros.h>
 
 struct cache *fragment_cache, *data_cache;
 struct queue *to_reader, *to_deflate, *to_writer, *from_writer;
