diff --git a/libext2/ext2.h b/libext2/ext2.h
index b391ae1..d335ddd 100644
--- a/libext2/ext2.h
+++ b/libext2/ext2.h
@@ -8,6 +8,7 @@
 #define __EXT2_H__
 
 #include <unistd.h>
+#include <linux/fs.h>
 #include <linux/ext2_fs.h>
 
 #include <libstream.h>
diff --git a/libext2/ext2_utils.h b/libext2/ext2_utils.h
index b802aa8..3ae0f81 100644
--- a/libext2/ext2_utils.h
+++ b/libext2/ext2_utils.h
@@ -7,6 +7,7 @@
 #ifndef __EXT2_UTILS_H__
 #define __EXT2_UTILS_H__
 
+#include <linux/fs.h>
 #include <linux/ext2_fs.h>
 #include <libstream.h>
 #include "ext2.h"
diff --git a/tools/ext2_ls.c b/tools/ext2_ls.c
index e56d466..1d9eca1 100644
--- a/tools/ext2_ls.c
+++ b/tools/ext2_ls.c
@@ -15,6 +15,7 @@
 #include <fcntl.h>
 
 
+#include <linux/fs.h>
 #include <linux/ext2_fs.h>
 #include <libext2.h>