diff --git a/src/ca/udpiiu.cpp b/src/ca/udpiiu.cpp
index 38576abec..78c7fd09b 100644
--- a/src/ca/udpiiu.cpp
+++ b/src/ca/udpiiu.cpp
@@ -685,6 +685,8 @@ bool udpiiu::beaconAction (
 {
     struct sockaddr_in ina;
 
+    memset(&ina, 0, sizeof(struct sockaddr_in));
+
     if ( net_addr.sa.sa_family != AF_INET ) {
         return false;
     }