diff --git a/deploy/windows/deploy.cmake b/deploy/windows/deploy.cmake
index 6faa50910..d1ebfc356 100644
--- a/deploy/windows/deploy.cmake
+++ b/deploy/windows/deploy.cmake
@@ -27,6 +27,7 @@ list(APPEND CPACK_GENERATOR "7Z")
 find_program(WIX_APP wix)
 if (NOT "${WIX_APP}" STREQUAL "")
   set(CPACK_WIX_VERSION 4)
+  set(CPACK_WIX_ARCHITECTURE ${BUILD_ARCHITECTURE})
   list(APPEND CPACK_GENERATOR "WIX")
 endif()