--- a/modules/SMTG_AddSMTGLibrary.cmake
+++ b/modules/SMTG_AddSMTGLibrary.cmake
@@ -34,7 +34,7 @@ function(smtg_target_set_vst_win_architecture_name target)
             set(WIN_ARCHITECTURE_NAME "arm64")
         elseif(${GENERATOR_PLATFORM} MATCHES "arm")
             set(WIN_ARCHITECTURE_NAME "arm")
-        elseif(${GENERATOR_PLATFORM} MATCHES "win32")
+        elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
             set(WIN_ARCHITECTURE_NAME "x86")
         else()
             set(WIN_ARCHITECTURE_NAME "x86_64")