--- a/squashfs-tools/mksquashfs.c
+++ b/squashfs-tools/mksquashfs.c
@@ -30,6 +30,7 @@
 #include <unistd.h>
 #include <stdio.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
@@ -25,6 +25,7 @@
 #define FALSE 0
 #include <stdio.h>
 #include <sys/types.h>
+#include <sys/sysmacros.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>