diff --git a/include/sys/vfs.h b/include/sys/vfs.h
index cc6c3b693f..9399afbefa 100644
--- a/include/sys/vfs.h
+++ b/include/sys/vfs.h
@@ -31,6 +31,7 @@
 #include <linux/statfs.h>
 #include <linux/xattr.h>
 #include <linux/security.h>
+#include <linux/seq_file.h>
 
 #define	MAXFIDSZ	64