diff --git a/XInputSimulator/CMakeLists.txt b/XInputSimulator/CMakeLists.txt
index 01f76e8..7ac8dd7 100644
--- a/XInputSimulator/CMakeLists.txt
+++ b/XInputSimulator/CMakeLists.txt
@@ -1,27 +1,13 @@
 cmake_minimum_required(VERSION 2.8.4)
 project(XInputSimulator)
 
-set(SOURCE_FILES
-    main.cpp
-    notimplementedexception.cpp
-    notimplementedexception.h
-    xinputsimulator.cpp
-    xinputsimulator.h
-    xinputsimulatorimpl.cpp
-    xinputsimulatorimpl.h
-    xinputsimulatorimpllinux.cpp
-    xinputsimulatorimpllinux.h
-    xinputsimulatorimplmacos.cpp
-    xinputsimulatorimplmacos.h
-    xinputsimulatorimplwin.cpp
-    xinputsimulatorimplwin.h)
-
     # Linux
     if(UNIX AND NOT APPLE)
     	find_library(X_11 X11)
     	find_library(X_TST Xtst)
     	set(EXTRA_LIBS ${X_11} ${X_TST})
 		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+		set(PLATFORM_SOURCE_FILES xinputsimulatorimpllinux.cpp xinputsimulatorimpllinux.h)
     endif(UNIX AND NOT APPLE)
 
     # Apple
@@ -31,13 +17,25 @@ set(SOURCE_FILES
        find_library(CORE_FOUNDATION CoreFoundation)
        set(EXTRA_LIBS ${APP_SERVICES_LIBRARY} ${CARBON} ${CORE_FOUNDATION})
 	   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+	   set(PLATFORM_SOURCE_FILES xinputsimulatorimplmacos.cpp xinputsimulatorimplmacos.h)
     endif(APPLE)
 	
 	# Windows
 	if(WIN32)
 		#find_library(USER_32 User32.Lib)
 		#set(EXTRA_LIBS ${USER_32})
+		set(PLATFORM_SOURCE_FILES xinputsimulatorimplwin.cpp xinputsimulatorimplwin.h)
 	endif(WIN32)
+	
+	set(SOURCE_FILES
+		main.cpp
+		notimplementedexception.cpp
+		notimplementedexception.h
+		xinputsimulator.cpp
+		xinputsimulator.h
+		xinputsimulatorimpl.cpp
+		xinputsimulatorimpl.h
+		${PLATFORM_SOURCE_FILES})
 
 add_executable(XInputSimulator ${SOURCE_FILES})
 target_link_libraries(XInputSimulator ${EXTRA_LIBS} )
\ No newline at end of file