diff --git a/src/proto_tcp.c b/src/proto_tcp.c
index cfa62f7..8c06441 100644
--- a/src/proto_tcp.c
+++ b/src/proto_tcp.c
@@ -394,7 +394,7 @@
 			struct sockaddr_storage sa;
 
 			ret = 1;
-			sa = src->source_addr;
+			memcpy(&sa, &src->source_addr, sizeof(sa));
 
 			do {
 				/* note: in case of retry, we may have to release a previously