diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 2c4a932..5967f18 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2161,7 +2161,7 @@
 			correct_index = 1;
 			credits += (ext_depth(inode)) + 1;
 		}
-		credits += 2 * EXT4_QUOTA_TRANS_BLOCKS(inode->i_sb);
+		credits += EXT4_MAXQUOTAS_TRANS_BLOCKS(inode->i_sb);
 
 		err = ext4_ext_truncate_extend_restart(handle, inode, credits);
 		if (err)