diff --git a/example/uwp/build.ps1 b/example/uwp/build.ps1
index 755b090ef..587945a4b 100644
--- a/example/uwp/build.ps1
+++ b/example/uwp/build.ps1
@@ -41,7 +41,7 @@ function prepare {
 
   cd build-native
 
-  cmake "$td_root" -DCMAKE_TOOLCHAIN_FILE="$vcpkg_cmake" -DTD_ENABLE_DOTNET=ON
+  cmake -A Win32 -DCMAKE_TOOLCHAIN_FILE="$vcpkg_cmake" -DTD_ENABLE_DOTNET=ON "$td_root"
   CheckLastExitCode
   cmake --build . --target prepare_cross_compiling
   CheckLastExitCode
@@ -62,7 +62,7 @@ function config {
     if ($arch -eq "x86") {
       $fixed_arch = "win32"
     }
-    cmake "$td_root" -A $fixed_arch -DCMAKE_SYSTEM_VERSION="10.0" -DCMAKE_SYSTEM_NAME="WindowsStore" -DCMAKE_TOOLCHAIN_FILE="$vcpkg_cmake" -DTD_ENABLE_DOTNET=ON
+    cmake -A $fixed_arch -DCMAKE_SYSTEM_VERSION="10.0" -DCMAKE_SYSTEM_NAME="WindowsStore" -DCMAKE_TOOLCHAIN_FILE="$vcpkg_cmake" -DTD_ENABLE_DOTNET=ON "$td_root"
     CheckLastExitCode
     cd ..
   }