diff --git a/scripts/mk_util.py b/scripts/mk_util.py
index e6de3019c..a5c9068db 100644
--- a/scripts/mk_util.py
+++ b/scripts/mk_util.py
@@ -2421,7 +2421,7 @@ def mk_config():
                     'LINK_EXTRA_FLAGS=/link%s /DEBUG /MACHINE:X86 /SUBSYSTEM:CONSOLE /INCREMENTAL:NO /STACK:8388608 /OPT:REF /OPT:ICF /TLBID:1 /DYNAMICBASE /NXCOMPAT %s\n'
                     'SLINK_EXTRA_FLAGS=/link%s /DEBUG /MACHINE:X86 /SUBSYSTEM:WINDOWS /INCREMENTAL:NO /STACK:8388608 /OPT:REF /OPT:ICF /TLBID:1 %s %s\n' % (LTCG, link_extra_opt, LTCG, maybe_disable_dynamic_base, link_extra_opt))
 
-
+        config.write('CFLAGS=$(CXXFLAGS)\n')
 
         # End of Windows VS config.mk
         if is_verbose():