diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index fe6045a465993..211acfba3af7c 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3418,7 +3418,7 @@ static int ext4_iomap_alloc(struct inode *inode, struct ext4_map_blocks *map,
 	 * i_disksize out to i_size. This could be beyond where direct I/O is
 	 * happening and thus expose allocated blocks to direct I/O reads.
 	 */
-	else if ((map->m_lblk * (1 << blkbits)) >= i_size_read(inode))
+	else if (((loff_t)map->m_lblk << blkbits) >= i_size_read(inode))
 		m_flags = EXT4_GET_BLOCKS_CREATE;
 	else if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
 		m_flags = EXT4_GET_BLOCKS_IO_CREATE_EXT;