diff --git a/xdmcp.c b/xdmcp.c
index 51176cc..e4774f4 100644
--- a/xdmcp.c
+++ b/xdmcp.c
@@ -812,7 +812,7 @@ #ifdef SIN6_LEN
 		    in6_addr.sin6_len = sizeof(in6_addr);
 #endif
 		    in6_addr.sin6_family = AF_INET6;
-		    memmove(&in6_addr,clientAddress.data,clientAddress.length);
+		    memmove(&in6_addr.sin6_addr,clientAddress.data,clientAddress.length);
 		    memmove((char *) &in6_addr.sin6_port, clientPort.data, 2);
 		    client = (struct sockaddr *) &in6_addr;
 		    clientlen = sizeof (in6_addr);