diff -Nru milter-regex-1.7.orig/Makefile.linux milter-regex-1.7/Makefile.linux
--- milter-regex-1.7.orig/Makefile.linux	2008-12-11 20:54:05.000000000 +0000
+++ milter-regex-1.7/Makefile.linux	2008-12-11 20:54:22.000000000 +0000
@@ -26,7 +26,7 @@
 	gcc $(CFLAGS) -c y.tab.c
 
 y.tab.c: parse.y
-	yacc -d -y parse.y
+	yacc -d parse.y
 
 milter-regex.cat8: milter-regex.8
 	nroff -Tascii -mandoc milter-regex.8 > milter-regex.cat8