diff --git a/code/CMakeModules/FindCustomMFC.cmake b/code/CMakeModules/FindCustomMFC.cmake
index e37936ef0..7dd87c15f 100644
--- a/code/CMakeModules/FindCustomMFC.cmake
+++ b/code/CMakeModules/FindCustomMFC.cmake
@@ -40,17 +40,12 @@ ENDIF(WITH_STLPORT OR NOT MFC_FOUND)
 
 # Only if using a custom path
 IF(CUSTOM_MFC_DIR)
-  IF(NOT CMAKE_SIZEOF_VOID_P)
-    INCLUDE (CheckTypeSize)
-    CHECK_TYPE_SIZE("void*"  CMAKE_SIZEOF_VOID_P)
-  ENDIF(NOT CMAKE_SIZEOF_VOID_P)
-
   # Using 32 or 64 bits libraries
-  IF(CMAKE_SIZEOF_VOID_P EQUAL 8)
+  IF(TARGET_X64)
     SET(MFC_LIBRARY_DIR "${MFC_DIR}/lib/amd64")
-  ELSE(CMAKE_SIZEOF_VOID_P EQUAL 8)
+  ELSE(TARGET_X64)
     SET(MFC_LIBRARY_DIR "${MFC_DIR}/lib")
-  ENDIF(CMAKE_SIZEOF_VOID_P EQUAL 8)
+  ENDIF(TARGET_X64)
 
   # Add MFC libraries directory to default library path
   LINK_DIRECTORIES(${MFC_LIBRARY_DIR})