diff --git a/Makefile.mingw b/Makefile.mingw
index 85b6b455..2ab918b4 100644
--- a/Makefile.mingw
+++ b/Makefile.mingw
@@ -37,6 +37,7 @@ ifeq ($(USE_WIN32_APP), yes)
 	DAEMON_OBJS += $(patsubst %.rc,obj/%.o,$(DAEMON_RC))
 endif
 
+# don't change following line to ifeq ($(USE_AESNI),yes) !!!
 ifeq ($(USE_AESNI),1)
 	CPU_FLAGS = -maes -DAESNI
 else