diff --git a/clean_build.bat b/clean_build.bat
index b1f0410c..f0ef19c6 100644
--- a/clean_build.bat
+++ b/clean_build.bat
@@ -18,6 +18,9 @@ set BONJOUR_SDK_HOME=%B_BONJOUR%
 REM full path to Qt stuff we need
 set B_QT_FULLPATH=%B_QT_ROOT%\%B_QT_VER%\%B_QT_MSVC%
 
+REM cmake generator name for the target build system
+set cmake_gen=Visual Studio 16 2019
+
 echo Bonjour: %BONJOUR_SDK_HOME%
 echo Qt: %B_QT_FULLPATH%
 
@@ -25,7 +28,7 @@ rmdir /q /s build
 mkdir build
 if ERRORLEVEL 1 goto failed
 cd build
-cmake -G "Visual Studio 15 2017 Win64" -D CMAKE_BUILD_TYPE=%B_BUILD_TYPE% -D CMAKE_PREFIX_PATH="%B_QT_FULLPATH%" -D DNSSD_LIB="%B_BONJOUR%\Lib\x64\dnssd.lib" -D QT_VERSION=%B_QT_VER% ..
+cmake -G "%cmake_gen%" -D CMAKE_BUILD_TYPE=%B_BUILD_TYPE% -D CMAKE_PREFIX_PATH="%B_QT_FULLPATH%" -D DNSSD_LIB="%B_BONJOUR%\Lib\x64\dnssd.lib" -D QT_VERSION=%B_QT_VER% ..
 if ERRORLEVEL 1 goto failed
 echo @msbuild barrier.sln /p:Platform="x64" /p:Configuration=%B_BUILD_TYPE% /m %B_BUILD_OPTIONS% > make.bat
 call make.bat
@@ -69,3 +72,4 @@ set B_BONJOUR=
 set BONJOUR_SDK_HOME=
 set B_QT_FULLPATH=
 set savedir=
+set cmake_gen=