diff --git a/service.bat b/service.bat
index 7199e6e..25a4905 100644
--- a/service.bat
+++ b/service.bat
@@ -751,7 +751,7 @@ echo   3. UDP only
 echo.
 set "GameFilterChoice=0"
 set /p "GameFilterChoice=Select option (0-3, default: 0): "
-if %GameFilterChoice%=="" set "GameFilterChoice=0"
+if "%GameFilterChoice%"=="" set "GameFilterChoice=0"
 
 if "%GameFilterChoice%"=="0" (
     if exist "%gameFlagFile%" (