diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 10cff4736b11..74bc2d549c58 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3906,6 +3906,7 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode,
 		} else
 			err = ret;
 		map->m_flags |= EXT4_MAP_MAPPED;
+		map->m_pblk = newblock;
 		if (allocated > map->m_len)
 			allocated = map->m_len;
 		map->m_len = allocated;