diff --git a/fs/nxffs/nxffs_pack.c b/fs/nxffs/nxffs_pack.c
index 4216d412fc..aefff8778b 100644
--- a/fs/nxffs/nxffs_pack.c
+++ b/fs/nxffs/nxffs_pack.c
@@ -709,7 +709,7 @@ static int nxffs_wrinodehdr(FAR struct nxffs_volume_s *volume,
       ret = nxffs_updateinode(volume, &pack->dest.entry);
       if (ret < 0)
         {
-          ferr("ERROR: Failed to update inode info: %s\n", -ret);
+          ferr("ERROR: Failed to update inode info: %d\n", -ret);
         }
     }