diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 92f80ed64219..a18b3d193689 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -56,7 +56,7 @@ 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 7a305e554999..c7950e0a2f95 100644
--- a/fs/btrfs/export.h
+++ b/fs/btrfs/export.h
@@ -17,7 +17,7 @@ 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);