diff --git a/src/local.c b/src/local.c
index 5bf12e6e..71a55e7e 100644
--- a/src/local.c
+++ b/src/local.c
@@ -369,8 +369,9 @@ server_recv_cb(EV_P_ ev_io *w, int revents)
                     ev_io_start(EV_A_ & remote->send_ctx->io);
                     ev_timer_start(EV_A_ & remote->send_ctx->watcher);
                 } else {
+                    int s;
 #if defined(MSG_FASTOPEN) && !defined(TCP_FASTOPEN_CONNECT)
-                    int s = sendto(remote->fd, remote->buf->data, remote->buf->len, MSG_FASTOPEN,
+                    s = sendto(remote->fd, remote->buf->data, remote->buf->len, MSG_FASTOPEN,
                                    (struct sockaddr *)&(remote->addr), remote->addr_len);
 #else
 #if defined(CONNECT_DATA_IDEMPOTENT)
@@ -380,7 +381,7 @@ server_recv_cb(EV_P_ ev_io *w, int revents)
                     endpoints.sae_dstaddr    = (struct sockaddr *)&(remote->addr);
                     endpoints.sae_dstaddrlen = remote->addr_len;
 
-                    int s = connectx(remote->fd, &endpoints, SAE_ASSOCID_ANY,
+                    s = connectx(remote->fd, &endpoints, SAE_ASSOCID_ANY,
                                      CONNECT_RESUME_ON_READ_WRITE | CONNECT_DATA_IDEMPOTENT,
                                      NULL, 0, NULL, NULL);
 #elif defined(TCP_FASTOPEN_CONNECT)
@@ -388,7 +389,7 @@ server_recv_cb(EV_P_ ev_io *w, int revents)
                     if(setsockopt(remote->fd, IPPROTO_TCP, TCP_FASTOPEN_CONNECT,
                                 (void *)&optval, sizeof(optval)) < 0)
                         FATAL("failed to set TCP_FASTOPEN_CONNECT");
-                    int s = connect(remote->fd, (struct sockaddr *)&(remote->addr), remote->addr_len);
+                    s = connect(remote->fd, (struct sockaddr *)&(remote->addr), remote->addr_len);
 #else
                     FATAL("fast open is not enabled in this build");
 #endif
diff --git a/src/redir.c b/src/redir.c
index 28a70c36..b1bebca0 100644
--- a/src/redir.c
+++ b/src/redir.c
@@ -552,7 +552,8 @@ remote_send_cb(EV_P_ ev_io *w, int revents)
         return;
     } else {
         // has data to send
-        ssize_t s;
+        int s;
+
         if (remote->addr != NULL) {
 
 #if defined(TCP_FASTOPEN_CONNECT)
diff --git a/src/server.c b/src/server.c
index 8e4ebc50..c80bf80e 100644
--- a/src/server.c
+++ b/src/server.c
@@ -508,8 +508,9 @@ connect_to_remote(EV_P_ struct addrinfo *res,
 
     if (fast_open) {
 
+        int s;
 #if defined(MSG_FASTOPEN) && !defined(TCP_FASTOPEN_CONNECT)
-        ssize_t s = sendto(sockfd, server->buf->data, server->buf->len,
+        s = sendto(sockfd, server->buf->data, server->buf->len,
                 MSG_FASTOPEN, res->ai_addr, res->ai_addrlen);
 #else
 #if defined(TCP_FASTOPEN_CONNECT)
@@ -517,7 +518,7 @@ connect_to_remote(EV_P_ struct addrinfo *res,
         if(setsockopt(sockfd, IPPROTO_TCP, TCP_FASTOPEN_CONNECT,
                     (void *)&optval, sizeof(optval)) < 0)
             FATAL("failed to set TCP_FASTOPEN_CONNECT");
-        int s = connect(sockfd, res->ai_addr, res->ai_addrlen);
+        s = connect(sockfd, res->ai_addr, res->ai_addrlen);
 #elif defined(CONNECT_DATA_IDEMPOTENT)
         ((struct sockaddr_in *)(res->ai_addr))->sin_len = sizeof(struct sockaddr_in);
         sa_endpoints_t endpoints;
@@ -525,7 +526,7 @@ connect_to_remote(EV_P_ struct addrinfo *res,
         endpoints.sae_dstaddr    = res->ai_addr;
         endpoints.sae_dstaddrlen = res->ai_addrlen;
 
-        int s = connectx(sockfd, &endpoints, SAE_ASSOCID_ANY, CONNECT_DATA_IDEMPOTENT,
+        s = connectx(sockfd, &endpoints, SAE_ASSOCID_ANY, CONNECT_DATA_IDEMPOTENT,
                          NULL, 0, NULL, NULL);
 #else
         FATAL("fast open is not enabled in this build");