diff --git a/test-server/fuzxy.c b/test-server/fuzxy.c
index 262f88ec..c319086d 100644
--- a/test-server/fuzxy.c
+++ b/test-server/fuzxy.c
@@ -452,6 +452,7 @@ handle_accept(int n)
 			if (connect(sockfd, (struct sockaddr *)&serv_addr4,
 				    sizeof(struct sockaddr)) == -1 ||
 			    errno == EISCONN) {
+				close(sockfd);
 				lwsl_err("proxied onward connection failed\n");
 				return 1;
 			}