diff --git a/hak/HakBuilder.cmd b/hak/HakBuilder.cmd
index 0610d808a..ef7ba79ec 100644
--- a/hak/HakBuilder.cmd
+++ b/hak/HakBuilder.cmd
@@ -8,8 +8,8 @@ REM set NWHak="nwhak.exe"
 
 REM Loop through all subfolders in current directory
 for /d %%F in (*) do (
-    echo Building %%F.hak from folder %%F ...
-    nwhak.exe "%%F.hak" "%%F"
+    echo Building %%F_v30.hak from folder %%F ...
+    nwhak.exe "%%F_v30.hak" "%%F"
 )
 
 echo.