diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/gateway/connectors-configuration/mqtt/basic-config/mqtt-legacy-basic-config.component.ts b/ui-ngx/src/app/modules/home/components/widget/lib/gateway/connectors-configuration/mqtt/basic-config/mqtt-legacy-basic-config.component.ts
index f499199739..92e4e5b4b5 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/gateway/connectors-configuration/mqtt/basic-config/mqtt-legacy-basic-config.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/gateway/connectors-configuration/mqtt/basic-config/mqtt-legacy-basic-config.component.ts
@@ -75,7 +75,7 @@ export class MqttLegacyBasicConfigComponent extends AbstractMqttBasicConfigCompo
   @Input()
   generalTabContent: TemplateRef<any>;
 
-  writeValue(basicConfig: any): void {
+  writeValue(basicConfig: MQTTLegacyBasicConfig): void {
     const {
       broker,
       mapping = [],