diff --git a/src/osgPlugins/osc/ip/posix/UdpSocket.cpp b/src/osgPlugins/osc/ip/posix/UdpSocket.cpp
index 81385fb03..080ef5a8e 100644
--- a/src/osgPlugins/osc/ip/posix/UdpSocket.cpp
+++ b/src/osgPlugins/osc/ip/posix/UdpSocket.cpp
@@ -107,6 +107,9 @@ public:
             throw std::runtime_error("unable to create udp socket\n");
         }
 
+        memset( &connectedAddr_, 0, sizeof(connectedAddr_) );
+        connectedAddr_.sin_family = AF_INET;
+
         memset( &sendToAddr_, 0, sizeof(sendToAddr_) );
         sendToAddr_.sin_family = AF_INET;
     }