diff --git a/code/CMakeModules/FindCustomMFC.cmake b/code/CMakeModules/FindCustomMFC.cmake
index 7865d0828..b71e4a8d8 100644
--- a/code/CMakeModules/FindCustomMFC.cmake
+++ b/code/CMakeModules/FindCustomMFC.cmake
@@ -41,7 +41,7 @@ IF(MFC_FOUND)
   LINK_DIRECTORIES(${MFC_LIBRARY_DIR})
 
   # Set definitions for using MFC in DLL
-  SET(MFC_DEFINITIONS -D_AFXDLL)
+  SET(MFC_DEFINITIONS -D_AFXDLL -DUNICODE -D_UNICODE)
 
   # Set CMake flag to use MFC DLL
   SET(CMAKE_MFC_FLAG 2)