diff --git a/libraries/WiFi/src/WiFiSTA.cpp b/libraries/WiFi/src/WiFiSTA.cpp
index e500f476..7668eaad 100644
--- a/libraries/WiFi/src/WiFiSTA.cpp
+++ b/libraries/WiFi/src/WiFiSTA.cpp
@@ -262,7 +262,7 @@ bool WiFiSTAClass::disconnect(bool wifioff)
     WiFi.getMode();
     esp_wifi_start();
     esp_wifi_set_config(WIFI_IF_STA, &conf);
-    ret = esp_wifi_set_config(WIFI_IF_STA, &conf) == ESP_OK;
+    ret = esp_wifi_disconnect() == ESP_OK;
 
     if(wifioff) {
         WiFi.enableSTA(false);