diff --git a/.github/workflows/uwp.yml b/.github/workflows/uwp.yml
index 3616be7900..8c7450a1b9 100644
--- a/.github/workflows/uwp.yml
+++ b/.github/workflows/uwp.yml
@@ -15,7 +15,7 @@ jobs:
       - name: CMake
         run: |
           cmake -B build -DCMAKE_BUILD_TYPE=Release -G "Visual Studio 17 2022" -A x64 -DCMAKE_SYSTEM_NAME=WindowsStore -DCMAKE_SYSTEM_VERSION=10.0.22000.0
-          cmake --build build --config Release --parallel 2
+          cmake --build build --config Release -- /m
         shell: cmd
 
       - uses: ilammy/msvc-dev-cmd@v1
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 24a1416594..49f312f2ee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -186,8 +186,13 @@ elseif(ANDROID)
 	set(CMAKE_ANDROID_STL_TYPE "c++_static")
 elseif(WIN32)
 	add_executable(${PROJECT_NAME} WIN32 core/emulator.cpp)
-	if(MSVC)
-		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
+	if(CMAKE_GENERATOR MATCHES "Visual Studio")
+		if(NOT CMAKE_VS_GLOBALS MATCHES "(^|;)UseMultiToolTask=")
+			list(APPEND CMAKE_VS_GLOBALS UseMultiToolTask=true)
+		endif()
+		if(NOT CMAKE_VS_GLOBALS MATCHES "(^|;)EnforceProcessCountAcrossBuilds=")
+			list(APPEND CMAKE_VS_GLOBALS EnforceProcessCountAcrossBuilds=true)
+		endif()
 		set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT ${PROJECT_NAME})
 	endif()
 elseif(APPLE)