diff --git a/fs/fat/file.c b/fs/fat/file.c
index a4a3a3c..e1587c5 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -397,6 +397,8 @@
 	 * sequence.
 	 */
 	if (attr->ia_valid & ATTR_SIZE) {
+		inode_dio_wait(inode);
+
 		if (attr->ia_size > inode->i_size) {
 			error = fat_cont_expand(inode, attr->ia_size);
 			if (error || attr->ia_valid == ATTR_SIZE)