diff --git a/main/wifi.c b/main/wifi.c
index 6a4b806..29378ef 100644
--- a/main/wifi.c
+++ b/main/wifi.c
@@ -28,6 +28,12 @@ static void event_handler(void *arg, esp_event_base_t event_base,
 void initWifi(void)
 {
     s_wifi_event_group = xEventGroupCreate();
+    if (s_wifi_event_group == NULL)
+    {
+        ESP_LOGE(TAG, "xEventGroupCreate() failed!");
+        return;
+    }
+
     ESP_ERROR_CHECK(esp_netif_init());
     ESP_ERROR_CHECK(esp_event_loop_create_default());