diff --git a/CMakeLists.txt b/CMakeLists.txt
index 05512f96c..2faec99a9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -95,6 +95,16 @@ set(REQUIRED_LIBEI_VERSION 1.3)
 set(REQUIRED_LIBPORTAL_VERSION 0.8)
 set(REQUIRED_QT_VERSION 6.7.0)
 
+if (WIN32)
+  if ("$ENV{VSCMD_ARG_TGT_ARCH}" STREQUAL "")
+    set (BUILD_ARCHITECTURE x64)
+  else()
+    set (BUILD_ARCHITECTURE $ENV{VSCMD_ARG_TGT_ARCH})
+  endif()
+else()
+  set (BUILD_ARCHITECTURE ${CMAKE_SYSTEM_PROCESSOR})
+endif()
+
 if (MSVC)
   # On Windows, require that the same MSVC runtime is used as on the host.
   # Mitigates things like access violations caused by accidental ABI-compatibility breakage.
@@ -102,7 +112,7 @@ if (MSVC)
   cmake_host_system_information(
     RESULT REQUIRED_MSVC_RUNTIME_MINOR
     QUERY WINDOWS_REGISTRY
-    "HKLM/SOFTWARE/Microsoft/VisualStudio/${REQUIRED_MSVC_RUNTIME_MAJOR}.0/VC/Runtimes/x64"
+    "HKLM/SOFTWARE/Microsoft/VisualStudio/${REQUIRED_MSVC_RUNTIME_MAJOR}.0/VC/Runtimes/${BUILD_ARCHITECTURE}"
     VALUE "Minor")
   if (REQUIRED_MSVC_RUNTIME_MINOR)
     message(STATUS "MSVC runtime: ${REQUIRED_MSVC_RUNTIME_MAJOR}.${REQUIRED_MSVC_RUNTIME_MINOR}")
diff --git a/deploy/linux/deploy.cmake b/deploy/linux/deploy.cmake
index b3189a3aa..b93c3af3c 100644
--- a/deploy/linux/deploy.cmake
+++ b/deploy/linux/deploy.cmake
@@ -100,9 +100,9 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
   if("${DISTRO_NAME}" STREQUAL "")
     set(DISTRO_NAME "linux")
   endif()
-  set(OS_STRING "${DISTRO_NAME}-${CN_STRING}${CMAKE_SYSTEM_PROCESSOR}")
+  set(OS_STRING "${DISTRO_NAME}-${CN_STRING}${BUILD_ARCHITECTURE}")
 
 elseif(${CMAKE_SYSTEM_NAME} MATCHES "|.*BSD")
   message(STATUS "BSD packaging not yet supported")
-  set(OS_STRING ${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR})
+  set(OS_STRING ${CMAKE_SYSTEM_NAME}-${BUILD_ARCHITECTURE})
 endif()
diff --git a/deploy/mac/deploy.cmake b/deploy/mac/deploy.cmake
index d8ef2f993..cf8a0b3a7 100644
--- a/deploy/mac/deploy.cmake
+++ b/deploy/mac/deploy.cmake
@@ -11,7 +11,7 @@ install(CODE "execute_process(COMMAND
   -timestamp -codesign=-
 )")
 
-set(OS_STRING "macos-${CMAKE_SYSTEM_PROCESSOR}")
+set(OS_STRING "macos-${BUILD_ARCHITECTURE}")
 set(CPACK_PACKAGE_ICON "${MY_DIR}/dmg-volume.icns")
 set(CPACK_DMG_BACKGROUND_IMAGE "${MY_DIR}/dmg-background.tiff")
 set(CPACK_DMG_DS_STORE_SETUP_SCRIPT "${MY_DIR}/generate_ds_store.applescript")
diff --git a/deploy/windows/deploy.cmake b/deploy/windows/deploy.cmake
index ccc1ec1e4..6faa50910 100644
--- a/deploy/windows/deploy.cmake
+++ b/deploy/windows/deploy.cmake
@@ -19,14 +19,7 @@ set(CPACK_PRE_BUILD_SCRIPTS ${CMAKE_CURRENT_BINARY_DIR}/pre-cpack.cmake)
 configure_file(${MY_DIR}/cpack-options.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/cpack-options.cmake @ONLY)
 set(CPACK_PROJECT_CONFIG_FILE ${CMAKE_CURRENT_BINARY_DIR}/cpack-options.cmake)
 
-# Setup OS_STRING
-if(CMAKE_SYSTEM_PROCESSOR MATCHES AMD64)
-  set(OS_STRING "win-x64")
-elseif(CMAKE_SYSTEM_PROCESSOR MATCHES ARM64)
-  set(OS_STRING "win-arm64")
-else()
-  set(OS_STRING "win-${CMAKE_SYSTEM_PROCESSOR}")
-endif()
+set(OS_STRING "win-${BUILD_ARCHITECTURE}")
 
 list(APPEND CPACK_GENERATOR "7Z")
 
diff --git a/deploy/windows/wix-patch.xml.in b/deploy/windows/wix-patch.xml.in
index 403730e29..54a58902e 100644
--- a/deploy/windows/wix-patch.xml.in
+++ b/deploy/windows/wix-patch.xml.in
@@ -32,7 +32,7 @@
       <RegistrySearch
         Id="FindVCRedist"
         Root="HKLM"
-        Key="SOFTWARE\Microsoft\VisualStudio\@REQUIRED_MSVC_RUNTIME_MAJOR@.0\VC\Runtimes\x64"
+        Key="SOFTWARE\Microsoft\VisualStudio\@REQUIRED_MSVC_RUNTIME_MAJOR@.0\VC\Runtimes\@BUILD_ARCHITECTURE@"
         Name="Installed"
         Type="raw" />
     </Property>