diff --git a/Software/EmonESP/src/data/config.js b/Software/EmonESP/src/data/config.js
index a3d317f..4f36bba 100644
--- a/Software/EmonESP/src/data/config.js
+++ b/Software/EmonESP/src/data/config.js
@@ -303,19 +303,15 @@ function EmonEspViewModel() {
       pass: self.config.mqtt_pass()
     };
 
-    if (mqtt.server === "") {
-      alert("Please enter MQTT server");
-    } else {
-      self.saveMqttFetching(true);
-      self.saveMqttSuccess(false);
-      $.post(baseEndpoint + "/savemqtt", mqtt, function (data) {
-        self.saveMqttSuccess(true);
-      }).fail(function () {
-        alert("Failed to save MQTT config");
-      }).always(function () {
-        self.saveMqttFetching(false);
-      });
-    }
+    self.saveMqttFetching(true);
+    self.saveMqttSuccess(false);
+    $.post(baseEndpoint + "/savemqtt", mqtt, function (data) {
+      self.saveMqttSuccess(true);
+    }).fail(function () {
+      alert("Failed to save MQTT config");
+    }).always(function () {
+      self.saveMqttFetching(false);
+    });
   };
   // -----------------------------------------------------------------------
   // Event: Calibration save