diff --git a/ports/esp32s2/common-hal/wifi/Radio.c b/ports/esp32s2/common-hal/wifi/Radio.c
index 95f464c716..bc2da2e66e 100644
--- a/ports/esp32s2/common-hal/wifi/Radio.c
+++ b/ports/esp32s2/common-hal/wifi/Radio.c
@@ -172,7 +172,7 @@ void common_hal_wifi_radio_stop_station(wifi_radio_obj_t *self) {
     set_mode_station(self, false);
 }
 
-void common_hal_wifi_radio_start_ap(wifi_radio_obj_t *self, uint8_t *ssid, size_t ssid_len, uint8_t *password, size_t password_len) {
+void common_hal_wifi_radio_start_ap(wifi_radio_obj_t *self, uint8_t *ssid, size_t ssid_len, uint8_t *password, size_t password_len, uint8_t channel) {
     if (!common_hal_wifi_radio_get_enabled(self)) {
         mp_raise_RuntimeError(translate("wifi is not enabled"));
     }
@@ -184,6 +184,7 @@ void common_hal_wifi_radio_start_ap(wifi_radio_obj_t *self, uint8_t *ssid, size_
     config->ap.ssid[ssid_len] = 0;
     memcpy(&config->ap.password, password, password_len);
     config->ap.password[password_len] = 0;
+    config->ap.channel = channel;
     config->ap.authmode = WIFI_AUTH_WPA2_PSK;
     config->ap.max_connection = 4;
     esp_wifi_set_config(WIFI_IF_AP, config);
diff --git a/shared-bindings/wifi/Radio.c b/shared-bindings/wifi/Radio.c
index 4856d4572b..de4deca7e7 100644
--- a/shared-bindings/wifi/Radio.c
+++ b/shared-bindings/wifi/Radio.c
@@ -197,10 +197,11 @@ MP_DEFINE_CONST_FUN_OBJ_1(wifi_radio_stop_station_obj, wifi_radio_stop_station);
 //|         ...
 //|
 STATIC mp_obj_t wifi_radio_start_ap(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
-    enum { ARG_ssid, ARG_password, ARG_channel, ARG_timeout };
+    enum { ARG_ssid, ARG_password, ARG_channel };
     static const mp_arg_t allowed_args[] = {
         { MP_QSTR_ssid, MP_ARG_REQUIRED | MP_ARG_OBJ },
         { MP_QSTR_password,  MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
+        { MP_QSTR_channel, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
     };
 
     wifi_radio_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
@@ -219,7 +220,7 @@ STATIC mp_obj_t wifi_radio_start_ap(size_t n_args, const mp_obj_t *pos_args, mp_
         }
     }
 
-    common_hal_wifi_radio_start_ap(self, ssid.buf, ssid.len, password.buf, password.len);
+    common_hal_wifi_radio_start_ap(self, ssid.buf, ssid.len, password.buf, password.len, args[ARG_channel].u_int);
     return mp_const_none;
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_KW(wifi_radio_start_ap_obj, 1, wifi_radio_start_ap);
diff --git a/shared-bindings/wifi/Radio.h b/shared-bindings/wifi/Radio.h
index 77ae0da9f8..318f3e05d4 100644
--- a/shared-bindings/wifi/Radio.h
+++ b/shared-bindings/wifi/Radio.h
@@ -85,7 +85,7 @@ extern void common_hal_wifi_radio_stop_scanning_networks(wifi_radio_obj_t *self)
 
 extern void common_hal_wifi_radio_start_station(wifi_radio_obj_t *self);
 extern void common_hal_wifi_radio_stop_station(wifi_radio_obj_t *self);
-extern void common_hal_wifi_radio_start_ap(wifi_radio_obj_t *self, uint8_t *ssid, size_t ssid_len, uint8_t *password, size_t password_len);
+extern void common_hal_wifi_radio_start_ap(wifi_radio_obj_t *self, uint8_t *ssid, size_t ssid_len, uint8_t *password, size_t password_len, uint8_t channel);
 extern void common_hal_wifi_radio_stop_ap(wifi_radio_obj_t *self);
 
 extern wifi_radio_error_t common_hal_wifi_radio_connect(wifi_radio_obj_t *self, uint8_t *ssid, size_t ssid_len, uint8_t *password, size_t password_len, uint8_t channel, mp_float_t timeout, uint8_t *bssid, size_t bssid_len);