diff --git a/grub-core/fs/f2fs.c b/grub-core/fs/f2fs.c
index 644653dbe..bb28b291b 100644
--- a/grub-core/fs/f2fs.c
+++ b/grub-core/fs/f2fs.c
@@ -702,7 +702,7 @@ grub_get_node_path (struct grub_f2fs_inode *inode, grub_uint32_t block,
   grub_uint32_t dindirect_blks = indirect_blks * NIDS_PER_BLOCK;
   grub_uint32_t direct_index = DEF_ADDRS_PER_INODE;
   int n = 0;
-  int level = 0;
+  int level = -1;
 
   if (inode->i_inline & F2FS_INLINE_XATTR)
     direct_index -= F2FS_INLINE_XATTR_ADDRS;
@@ -712,6 +712,7 @@ grub_get_node_path (struct grub_f2fs_inode *inode, grub_uint32_t block,
   if (block < direct_index)
     {
       offset[n] = block;
+      level = 0;
       goto got;
     }
 
@@ -860,6 +861,10 @@ grub_f2fs_get_block (grub_fshelp_node_t node, grub_disk_addr_t block_ofs)
   int level, i;
 
   level = grub_get_node_path (inode, block_ofs, offset, noffset);
+
+  if (level < 0)
+    return -1;
+
   if (level == 0)
     return grub_le_to_cpu32 (inode->i_addr[offset[0]]);