diff --git a/net/py-wsdd/Makefile b/net/py-wsdd/Makefile
index 138b0463d6..5490a2e34d 100644
--- a/net/py-wsdd/Makefile
+++ b/net/py-wsdd/Makefile
@@ -3,6 +3,7 @@
 PORTNAME=	wsdd
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.6.3
+PORTREVISION=	1
 CATEGORIES=	net python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
diff --git a/net/py-wsdd/files/patch-src_wsdd.py b/net/py-wsdd/files/patch-src_wsdd.py
new file mode 100644
index 0000000000..855575de9a
--- /dev/null
+++ b/net/py-wsdd/files/patch-src_wsdd.py
@@ -0,0 +1,11 @@
+--- src/wsdd.py.orig	2021-01-23 12:52:05 UTC
++++ src/wsdd.py
+@@ -190,7 +190,7 @@ class MulticastHandler:
+         if addr == self.multicast_address:
+             self.send_socket.sendto(msg, addr)
+         else:
+-            self.recv_socket.sendto(msg, addr)
++            self.send_socket.sendto(msg, addr)
+ 
+ 
+ # constants for WSD XML/SOAP parsing