diff --git a/Makefile b/Makefile
index e2a8caa..151c9a0 100644
--- a/Makefile
+++ b/Makefile
@@ -39,11 +39,11 @@ ifeq ($(uname_S),Darwin)
  DEFINES=-DAUTOCONF -DPOSIX -DSYSV -D_DARWIN_C_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE -D_XOPEN_SOURCE=600
 endif
 ifeq ($(uname_S),CYGWIN_NT-6.1-WOW64)
- DEFINES=-DAUTOCONF -DCYGWIN -DPROGRAM=$(PROGRAM)
+ DEFINES=-DAUTOCONF -DPROGRAM=$(PROGRAM)
  LIBS=-lcurses			# SYSV
 endif
 ifeq ($(uname_S),CYGWIN_NT-6.1)
- DEFINES=-DAUTOCONF -DCYGWIN -DPROGRAM=$(PROGRAM)
+ DEFINES=-DAUTOCONF -DPROGRAM=$(PROGRAM)
  LIBS=-lcurses			# SYSV
 endif
 ifeq ($(uname_S),MINGW32_NT-6.1)