diff --git a/src/meas_lat.c b/src/meas_lat.c
index 0fdee95..91bb9f6 100644
--- a/src/meas_lat.c
+++ b/src/meas_lat.c
@@ -418,11 +418,11 @@ void spawn_tcp_client(struct evt_core_ctx* evts) {
   register_timer (evts, mctx, &ms, NULL);
 }
 
-void spawn_tcp_server(struct evt_core_ctx* evts, uint16_t *ports) {
+void spawn_tcp_server(struct evt_core_ctx* evts, uint16_t port) {
   char buffer[1024];
   int tcp_serv_sock, err;
 
-  sprintf(buffer, "%d", ports[0]);
+  sprintf(buffer, "%d", port);
   tcp_serv_sock = create_tcp_server ("0.0.0.0", buffer);
   err = listen(tcp_serv_sock, SOMAXCONN);
 
@@ -432,13 +432,13 @@ void spawn_tcp_server(struct evt_core_ctx* evts, uint16_t *ports) {
   fdinfo.url = buffer;
 
   fdinfo.fd = tcp_serv_sock;
-  sprintf(buffer, "tcp:co:127.0.0.1:%d", ports[0]);
+  sprintf(buffer, "tcp:co:127.0.0.1:%d", port);
   fdinfo.cat->name = "tcp-co";
   evt_core_add_fd(evts, &fdinfo);
   printf("--- TCP server is listening\n");
 }
 
-void measlat_create_onion_services(struct tor_os_str* tos, struct tor_ctl* tctl, uint16_t* ports, int ports_count, enum TOR_ONION_FLAGS tof) {
+void measlat_create_onion_services(struct tor_os_str* tos, struct tor_ctl* tctl, uint16_t port, enum TOR_ONION_FLAGS tof) {
     tor_os_create (tos, "onion_services.pub", "onion_services.txt", 1);
     tor_os_read (tos);
 
@@ -448,7 +448,7 @@ void measlat_create_onion_services(struct tor_os_str* tos, struct tor_ctl* tctl,
       fprintf(stderr, "Unable to open Tor Socket\n");
       exit(EXIT_FAILURE);
     }
-    err = tor_ctl_add_onion (tctl, tos, ports, ports_count, tof);
+    err = tor_ctl_add_onion (tctl, tos, &port, 1, tof);
     if (err != 0) {
       fprintf(stderr, "Unable to create Onion Services (error: %d)\n", err);
       exit(EXIT_FAILURE);
@@ -456,9 +456,9 @@ void measlat_create_onion_services(struct tor_os_str* tos, struct tor_ctl* tctl,
     printf("--- Onion services created\n");
 }
 
-void spawn_onion_server(struct evt_core_ctx* evts, uint16_t *ports, int ports_count, struct tor_os_str* tos, struct tor_ctl* tctl, struct measlat_ctx* mctx) {
-  spawn_tcp_server(evts, ports);
-  measlat_create_onion_services (tos, tctl, ports, ports_count, mctx->tor_flags);
+void spawn_onion_server(struct evt_core_ctx* evts, uint16_t port, struct tor_os_str* tos, struct tor_ctl* tctl, struct measlat_ctx* mctx) {
+  spawn_tcp_server(evts, port);
+  measlat_create_onion_services (tos, tctl, port, mctx->tor_flags);
 }
 
 int main(int argc, char** argv) {
@@ -470,8 +470,6 @@ int main(int argc, char** argv) {
   struct evt_core_ctx evts = {0};
   struct tor_os_str tos = {0};
   struct tor_ctl tctl = {0};
-  uint16_t ports[] = {7500};
-  int ports_count = sizeof(ports) / sizeof(ports[0]);
 
   // 1. Parse parameters
   while ((opt = getopt(argc, argv, "vh:p:c:s:i:t:ln")) != -1) {
@@ -525,8 +523,8 @@ int main(int argc, char** argv) {
   // 4. Register services
   if (mctx.role == MEASLAT_SERVER) {
     if (streq(mctx.transport, "udp")) spawn_udp_server (&evts);
-    else if (streq(mctx.transport, "tcp")) spawn_tcp_server(&evts, ports);
-    else if (streq(mctx.transport, "tor")) spawn_onion_server (&evts, ports, ports_count, &tos, &tctl, &mctx);
+    else if (streq(mctx.transport, "tcp")) spawn_tcp_server(&evts, atoi(mctx.port));
+    else if (streq(mctx.transport, "tor")) spawn_onion_server (&evts, atoi(mctx.port), &tos, &tctl, &mctx);
   }
   else if (mctx.role == MEASLAT_CLIENT) {
     if (streq(mctx.transport, "udp")) spawn_udp_client(&evts);