diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 1d4c2397d0d62..fab7eb76e53b2 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -58,7 +58,7 @@ static int btrfs_encode_fh(struct inode *inode, u32 *fh, int *max_len,
 }
 
 struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid,
-				u64 root_objectid, u32 generation,
+				u64 root_objectid, u64 generation,
 				int check_generation)
 {
 	struct btrfs_fs_info *fs_info = btrfs_sb(sb);
diff --git a/fs/btrfs/export.h b/fs/btrfs/export.h
index f32f4113c976a..5afb7ca428289 100644
--- a/fs/btrfs/export.h
+++ b/fs/btrfs/export.h
@@ -19,7 +19,7 @@ struct btrfs_fid {
 } __attribute__ ((packed));
 
 struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid,
-				u64 root_objectid, u32 generation,
+				u64 root_objectid, u64 generation,
 				int check_generation);
 struct dentry *btrfs_get_parent(struct dentry *child);