diff --git a/fs/extfs/mkfs.cpp b/fs/extfs/mkfs.cpp
index addd93f9..42cc9bd1 100644
--- a/fs/extfs/mkfs.cpp
+++ b/fs/extfs/mkfs.cpp
@@ -116,6 +116,7 @@ int do_mkfs(io_manager manager, size_t size, char *uuid) {
         return ret;
     }
     // reserve inodes
+    ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0);
     for (ext2_ino_t i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++)
         ext2fs_inode_alloc_stats2(fs, i, +1, 0);
     ext2fs_mark_ib_dirty(fs);