diff --git a/dns/dnsdist/Makefile b/dns/dnsdist/Makefile
index 30fd82ca2c4d..c105be13e449 100644
--- a/dns/dnsdist/Makefile
+++ b/dns/dnsdist/Makefile
@@ -3,7 +3,7 @@
 
 PORTNAME=	dnsdist
 DISTVERSION=	1.3.3
-PORTREVISION=	4
+PORTREVISION=	5
 CATEGORIES=	dns net
 MASTER_SITES=	https://downloads.powerdns.com/releases/ \
 		LOCAL/cpm
diff --git a/dns/dnsdist/files/patch-dnsdist-lua-vars.cc b/dns/dnsdist/files/patch-dnsdist-lua-vars.cc
new file mode 100644
index 000000000000..935c691f228b
--- /dev/null
+++ b/dns/dnsdist/files/patch-dnsdist-lua-vars.cc
@@ -0,0 +1,11 @@
+--- dnsdist-lua-vars.cc.orig	2018-10-03 09:48:10 UTC
++++ dnsdist-lua-vars.cc
+@@ -22,6 +22,8 @@
+ #include "dnsdist.hh"
+ #include "ednsoptions.hh"
+ 
++#undef BADSIG // signal.h SIG_ERR
++
+ void setupLuaVars()
+ {
+   g_lua.writeVariable("DNSAction", std::unordered_map<string,int>{