diff --git a/gnu/usr.bin/groff/Makefile.cfg b/gnu/usr.bin/groff/Makefile.cfg
index 03486a76eceb..06d8e82a48aa 100644
--- a/gnu/usr.bin/groff/Makefile.cfg
+++ b/gnu/usr.bin/groff/Makefile.cfg
@@ -1,4 +1,4 @@
-#	$Id$
+#	$Id: Makefile.cfg,v 2.3 1997/02/22 15:45:42 peter Exp $
 
 BINDIR?=	/usr/bin
 SHELL=		/bin/sh
@@ -42,8 +42,8 @@ DVIPRINT=lpr -d
 # Don't touch...
 
 g=
-tmac_s=s
-tmac_m=m
+tmac_s_prefix=s
+tmac_m_prefix=m
 device=ps
 fontdir=/usr/share/groff_font
 fontpath=$(fontdir)
@@ -119,8 +119,8 @@ CFLAGS+=$(DEFINES) $(INCLUDES)
 	-e "s;@MAN1EXT@;1;g" \
 	-e "s;@MAN5EXT@;5;g" \
 	-e "s;@MAN7EXT@;7;g" \
-	-e "s;@TMAC_S@;$(tmac_s);g" \
-	-e "s;@TMAC_M@;$(tmac_m);g" \
+	-e "s;@TMAC_S_PREFIX@;$(tmac_s_prefix);g" \
+	-e "s;@TMAC_M_PREFIX@;$(tmac_m_prefix);g" \
 	-e "s;@TMAC_MDIR@;$(tmacdir)/mm;g" \
 	-e "s;@BROKEN_SPOOLER_FLAGS@;$(BROKEN_SPOOLER_FLAGS);g" \
 	-e "s;@VERSION@;`cat ${GROFF_DIST}/VERSION`;g" \