diff --git a/headers/private/kernel/syscalls.h b/headers/private/kernel/syscalls.h
index e75a28b7b4..8eaeb5113e 100644
--- a/headers/private/kernel/syscalls.h
+++ b/headers/private/kernel/syscalls.h
@@ -110,7 +110,7 @@ extern status_t		_kern_get_next_image_info(team_id team, int32 *cookie, image_in
 // VFS functions
 extern status_t		_kern_mount(const char *path, const char *device,
 						const char *fs_name, uint32 flags, const char *args);
-extern status_t		_kern_unmount(const char *path);
+extern status_t		_kern_unmount(const char *path, uint32 flags);
 extern status_t		_kern_read_fs_info(dev_t device, struct fs_info *info);
 extern status_t		_kern_write_fs_info(dev_t device, const struct fs_info *info, int mask);
 extern dev_t		_kern_next_device(int32 *_cookie);
diff --git a/headers/private/kernel/vfs.h b/headers/private/kernel/vfs.h
index f4e919efeb..f27e353624 100755
--- a/headers/private/kernel/vfs.h
+++ b/headers/private/kernel/vfs.h
@@ -88,7 +88,7 @@ status_t vfs_normalize_path(const char *path, char *buffer, size_t bufferSize,
 /* calls the syscall dispatcher should use for user file I/O */
 status_t _user_mount(const char *path, const char *device, const char *fs_name,
 			uint32 flags, const char *args);
-status_t _user_unmount(const char *path);
+status_t _user_unmount(const char *path, uint32 flags);
 status_t _user_read_fs_info(dev_t device, struct fs_info *info);
 status_t _user_write_fs_info(dev_t device, const struct fs_info *info, int mask);
 dev_t _user_next_device(int32 *_cookie);
diff --git a/src/kernel/libroot/os/fs_volume.c b/src/kernel/libroot/os/fs_volume.c
index f03cbe221e..21aeb8c876 100644
--- a/src/kernel/libroot/os/fs_volume.c
+++ b/src/kernel/libroot/os/fs_volume.c
@@ -1,7 +1,7 @@
-/* 
-** Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
-** Distributed under the terms of the Haiku License.
-*/
+/*
+ * Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
 
 
 #include <fs_volume.h>
@@ -19,6 +19,6 @@ fs_mount_volume(const char *where, const char *device,
 status_t
 fs_unmount_volume(const char *path, uint32 flags)
 {
-	return _kern_unmount(path/*, flags*/);
+	return _kern_unmount(path, flags);
 }