diff --git a/CMakeLists.txt b/CMakeLists.txt
index f40817c..4f7ade0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,13 +16,7 @@ project(dvmvocoder)
 set(CMAKE_STATIC_LIBRARY_PREFIX "")
 set(CMAKE_SHARED_LIBRARY_PREFIX "")
 
-option(COMPILE_WIN32 "Compile for Win32" off)
-
-# Set up wion
-if(COMPILE_WIN32)
-    set(CMAKE_SYSTEM_NAME "Windows")
-    set(CMAKE_SYSTEM_PROCESSOR "x86_64")
-endif()
+set(WINDOWS_EXPORT_ALL_SYMBOLS true)
 
 #
 # Build Vocoder as a Shared Library (dll or so)