diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 6e91be5b8c30..4e6b93f16758 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3315,6 +3315,7 @@ int f2fs_precache_extents(struct inode *inode)
 		return -EOPNOTSUPP;
 
 	map.m_lblk = 0;
+	map.m_pblk = 0;
 	map.m_next_pgofs = NULL;
 	map.m_next_extent = &m_next_extent;
 	map.m_seg_type = NO_CHECK_TYPE;