diff --git a/README.md b/README.md
index 5faa42e..766c700 100644
--- a/README.md
+++ b/README.md
@@ -32,10 +32,10 @@ In the application, add the component:
 void app_main(void)
 {
     esp_log_level_set("zh_ac_dimmer", ESP_LOG_NONE);
-    zh_ac_dimmer_init_config_t ac_dimmer_init_config = ZH_AC_DIMMER_INIT_CONFIG_DEFAULT();
+    zh_ac_dimmer_init_config_t config = ZH_AC_DIMMER_INIT_CONFIG_DEFAULT();
     ac_dimmer_init_config.zero_cross_gpio = GPIO_NUM_16;
     ac_dimmer_init_config.triac_gpio = GPIO_NUM_17;
-    zh_ac_dimmer_init(&ac_dimmer_init_config);
+    zh_ac_dimmer_init(&config);
     zh_ac_dimmer_start();
     for (;;)
     {