diff --git a/src/backend.c b/src/backend.c
index 0602016dc..3cf8b27b8 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -861,9 +861,11 @@ static int alloc_dst_address(struct sockaddr_storage **ss,
 			if (!conn_get_dst(cli_conn)) {
 				/* do nothing if we can't retrieve the address */
 			} else if (cli_conn->dst->ss_family == AF_INET) {
+				((struct sockaddr_in *)*ss)->sin_family = AF_INET;
 				((struct sockaddr_in *)*ss)->sin_addr =
 				  ((struct sockaddr_in *)cli_conn->dst)->sin_addr;
 			} else if (cli_conn->dst->ss_family == AF_INET6) {
+				((struct sockaddr_in6 *)*ss)->sin6_family = AF_INET6;
 				((struct sockaddr_in6 *)*ss)->sin6_addr =
 				  ((struct sockaddr_in6 *)cli_conn->dst)->sin6_addr;
 			}