diff --git a/sys/windows/Makefile.mingw32 b/sys/windows/Makefile.mingw32
index 63ffe2637..9070ae6fe 100644
--- a/sys/windows/Makefile.mingw32
+++ b/sys/windows/Makefile.mingw32
@@ -727,7 +727,7 @@ COREOBJS = $(addsuffix .o, allmain alloc apply artifact attrib ball bones botl c
 	   teleport timeout topten track trap u_init uhitm utf8map vault version vision \
 	   weapon were wield windmain windows windsys wizard worm worn write zap)
 
-CFLAGSW = $(CFLAGS) $(COMMONDEF) $(DLBFLG) -DTILES -D_WINDOWS -DMSWIN_GRAPHICS -DSAFEPROCS -DNOTTYGRPHICS
+CFLAGSW = $(CFLAGS) $(COMMONDEF) $(DLBFLG) -DTILES -D_WINDOWS -DMSWIN_GRAPHICS -DSAFEPROCS -DNOTTYGRAPHICS
 
 ONHW = $(O)nethackw
 NHWONLY = $(addsuffix .o, mhaskyn mhdlg mhfont mhinput mhmain mhmap mhmenu \