diff --git a/components/esp-tls/esp-tls.c b/components/esp-tls/esp-tls.c
index 21d9e8123..8822a3dcf 100644
--- a/components/esp-tls/esp-tls.c
+++ b/components/esp-tls/esp-tls.c
@@ -69,11 +69,11 @@ static int esp_tcp_connect(const char *host, int hostlen, int port)
 
     void *addr_ptr;
     if (res->ai_family == AF_INET) {
-	struct sockaddr_in *p = res->ai_addr;
+	struct sockaddr_in *p = (struct sockaddr_in*)res->ai_addr;
 	p->sin_port = htons(port);
 	addr_ptr = p;
     } else if (res->ai_family == AF_INET6) {
-	struct sockaddr_in6 *p = res->ai_addr;
+	struct sockaddr_in6 *p = (struct sockaddr_in6*) res->ai_addr;
 	p->sin6_port = htons(port);
 	p->sin6_family = AF_INET6;
 	addr_ptr = p;