diff --git a/cmake/cmake.define b/cmake/cmake.define
index 5637c666b9..8d71870e7d 100644
--- a/cmake/cmake.define
+++ b/cmake/cmake.define
@@ -46,7 +46,7 @@ ENDIF ()
 
 IF (TD_WINDOWS)
     MESSAGE("${Yellow} set compiler flag for Windows! ${ColourReset}")
-    SET(COMMON_FLAGS "/w /D_WIN32 /Zi")
+    SET(COMMON_FLAGS "/w /D_WIN32 /DWIN32 /Zi")
     SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /MANIFEST:NO")
     # IF (MSVC AND (MSVC_VERSION GREATER_EQUAL 1900))
     #  SET(COMMON_FLAGS "${COMMON_FLAGS} /Wv:18")