diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 2d9a86129bd8..7329f706da83 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1245,7 +1245,7 @@ struct f2fs_bio_info {
 #define RDEV(i)				(raw_super->devs[i])
 struct f2fs_dev_info {
 	struct block_device *bdev;
-	char path[MAX_PATH_LEN];
+	char path[MAX_PATH_LEN + 1];
 	unsigned int total_segments;
 	block_t start_blk;
 	block_t end_blk;