diff --git a/modules/.eslintrc.json b/modules/.eslintrc.json
index 1baa39b8..09b49994 100644
--- a/modules/.eslintrc.json
+++ b/modules/.eslintrc.json
@@ -10,8 +10,6 @@
 	],
 	"rules": {
 		"max-len": "off",
-		"no-var": "off",
-		"no-mixed-spaces-and-tabs": "warn",
-		"implicit-arrow-linebreak": "warn"
+		"no-var": "off"
 	}
 }
diff --git a/modules/ext.templateDataGenerator.editTemplatePage/Dialog.js b/modules/ext.templateDataGenerator.editTemplatePage/Dialog.js
index f2a2a333..aca542ca 100644
--- a/modules/ext.templateDataGenerator.editTemplatePage/Dialog.js
+++ b/modules/ext.templateDataGenerator.editTemplatePage/Dialog.js
@@ -1087,10 +1087,10 @@ Dialog.prototype.changeParamPropertyInput = function ( paramKey, propName, value
 			break;
 		case 'array':
 			value = value || [];
-			propInput.setValue( value.map( ( v ) =>
+			propInput.setValue( value.map(
 				// TagMultiselectWidget accepts nothing but strings or objects with a .data property
-				 v && v.data ? v : String( v )
-			 ) );
+				( v ) => v && v.data ? v : String( v )
+			) );
 			break;
 		default:
 			if ( typeof value === 'object' ) {