diff --git a/examples/simpleble/c/notify.c b/examples/simpleble/c/notify.c
index 300afb45..6fd7c4f8 100644
--- a/examples/simpleble/c/notify.c
+++ b/examples/simpleble/c/notify.c
@@ -30,8 +30,8 @@ static void clean_on_exit(void);
 static void adapter_on_scan_start(simpleble_adapter_t adapter, void* userdata);
 static void adapter_on_scan_stop(simpleble_adapter_t adapter, void* userdata);
 static void adapter_on_scan_found(simpleble_adapter_t adapter, simpleble_peripheral_t peripheral, void* userdata);
-static void peripheral_on_notify(simpleble_uuid_t service, simpleble_uuid_t characteristic, const uint8_t* data,
-                                 size_t data_length, void* userdata);
+static void peripheral_on_notify(simpleble_peripheral_t handle, simpleble_uuid_t service, simpleble_uuid_t characteristic,
+                                 const uint8_t* data, size_t data_length, void* userdata);
 
 static service_characteristic_t characteristic_list[SERVICES_LIST_SIZE] = {0};
 static simpleble_peripheral_t peripheral_list[PERIPHERAL_LIST_SIZE] = {0};
@@ -205,8 +205,8 @@ static void adapter_on_scan_found(simpleble_adapter_t adapter, simpleble_periphe
     simpleble_free(peripheral_address);
 }
 
-static void peripheral_on_notify(simpleble_uuid_t service, simpleble_uuid_t characteristic, const uint8_t* data,
-                                 size_t data_length, void* userdata) {
+static void peripheral_on_notify(simpleble_peripheral_t handle, simpleble_uuid_t service, simpleble_uuid_t characteristic,
+                                 const uint8_t* data, size_t data_length, void* userdata) {
     printf("Received: ");
     for (size_t i = 0; i < data_length; i++) {
         printf("%02X ", data[i]);