diff --git a/mail/dot-forward/Makefile b/mail/dot-forward/Makefile
index cd696998476d..625502151402 100644
--- a/mail/dot-forward/Makefile
+++ b/mail/dot-forward/Makefile
@@ -1,6 +1,6 @@
 PORTNAME=	dot-forward
 PORTVERSION=	0.71
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	mail
 MASTER_SITES=	http://cr.yp.to/software/
 
diff --git a/mail/dot-forward/files/patch-error.h b/mail/dot-forward/files/patch-error.h
new file mode 100644
index 000000000000..e35ddb04802a
--- /dev/null
+++ b/mail/dot-forward/files/patch-error.h
@@ -0,0 +1,11 @@
+--- error.h.orig
++++ error.h
+@@ -1,7 +1,7 @@
+ #ifndef ERROR_H
+ #define ERROR_H
+ 
+-extern int errno;
++#include <errno.h>
+ 
+ extern int error_intr;
+ extern int error_nomem;