diff --git a/src/AsyncTCP.cpp b/src/AsyncTCP.cpp
index 0f4a707..1a4e8bd 100644
--- a/src/AsyncTCP.cpp
+++ b/src/AsyncTCP.cpp
@@ -46,7 +46,7 @@ typedef struct {
         void *arg;
         union {
                 struct {
-                        void * pcb;
+                        tcp_pcb * pcb;
                         int8_t err;
                 } connected;
                 struct {
@@ -895,13 +895,10 @@ void AsyncClient::_free_closed_slot(){
  * Private Callbacks
  * */
 
-int8_t AsyncClient::_connected(void* pcb, int8_t err){
+int8_t AsyncClient::_connected(tcp_pcb* pcb, int8_t err){
     _pcb = reinterpret_cast<tcp_pcb*>(pcb);
     if(_pcb){
         _rx_last_packet = millis();
-//        tcp_recv(_pcb, &_tcp_recv);
-//        tcp_sent(_pcb, &_tcp_sent);
-//        tcp_poll(_pcb, &_tcp_poll, 1);
     }
     if(_connect_cb) {
         _connect_cb(_connect_cb_arg, this);
@@ -1353,7 +1350,7 @@ void AsyncClient::_s_error(void * arg, int8_t err) {
     reinterpret_cast<AsyncClient*>(arg)->_error(err);
 }
 
-int8_t AsyncClient::_s_connected(void * arg, void * pcb, int8_t err){
+int8_t AsyncClient::_s_connected(void * arg, struct tcp_pcb * pcb, int8_t err){
     return reinterpret_cast<AsyncClient*>(arg)->_connected(pcb, err);
 }
 
diff --git a/src/AsyncTCP.h b/src/AsyncTCP.h
index 2110edc..abb1f48 100644
--- a/src/AsyncTCP.h
+++ b/src/AsyncTCP.h
@@ -182,7 +182,7 @@ class AsyncClient {
     static int8_t _s_lwip_fin(void *arg, struct tcp_pcb *tpcb, int8_t err);
     static void _s_error(void *arg, int8_t err);
     static int8_t _s_sent(void *arg, struct tcp_pcb *tpcb, uint16_t len);
-    static int8_t _s_connected(void* arg, void* tpcb, int8_t err);
+    static int8_t _s_connected(void* arg, struct tcp_pcb *tpcb, int8_t err);
     static void _s_dns_found(const char *name, struct ip_addr *ipaddr, void *arg);
 
     int8_t _recv(tcp_pcb* pcb, pbuf* pb, int8_t err);
@@ -223,7 +223,7 @@ class AsyncClient {
     int8_t _close();
     void _free_closed_slot();
     void _allocate_closed_slot();
-    int8_t _connected(void* pcb, int8_t err);
+    int8_t _connected(tcp_pcb* pcb, int8_t err);
     void _error(int8_t err);
     int8_t _poll(tcp_pcb* pcb);
     int8_t _sent(tcp_pcb* pcb, uint16_t len);