diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 22f40f05b3..d1d67c35dd 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -1248,7 +1248,7 @@ parameters:
             message: '~^Method Atk4\\Ui\\Callback::setUrlTrigger\(\) has no return typehint specified\.$~'
         -
             path: 'src/Callback.php'
-            message: '~^Method Atk4\\Ui\\Callback::isTriggered\(\) has no return typehint specified\.$~'
+            message: '~^Method Atk4\\Ui\\Callback::add\(\) has parameter \$args with no typehint specified\.$~'
         -
             path: 'src/Card.php'
             message: '~^Method Atk4\\Ui\\Card::setDataId\(\) has no return typehint specified\.$~'
diff --git a/src/Callback.php b/src/Callback.php
index ed29b5d498..75d9bf478e 100644
--- a/src/Callback.php
+++ b/src/Callback.php
@@ -34,6 +34,11 @@ class Callback extends AbstractView
     /** @var bool Allow this callback to trigger during a reload. */
     public $triggerOnReload = true;
 
+    public function add($object, $args = null): AbstractView
+    {
+        throw new Exception('Callback can NOT contains children');
+    }
+
     /**
      * Initialization.
      */
@@ -84,7 +89,7 @@ public function terminateJson(AbstractView $view): void
     /**
      * Return true if urlTrigger is part of the request.
      */
-    public function isTriggered()
+    public function isTriggered(): bool
     {
         return isset($_GET[self::URL_QUERY_TRIGGER_PREFIX . $this->urlTrigger]);
     }
diff --git a/src/View.php b/src/View.php
index 76888d73c3..a1a244205a 100644
--- a/src/View.php
+++ b/src/View.php
@@ -625,7 +625,7 @@ protected function getRunningCallbackArgs(bool $isTerminated, array $page): arra
                     $isTerminated = true;
                 }
 
-                if ($isTerminated) {
+                if ($isTerminated && $v->isTriggered() && $v->canTrigger()) {
                     $args[Callback::URL_QUERY_TRIGGER_PREFIX . $v->getUrlTrigger()] = $v->getTriggeredValue();
                 }
             }
diff --git a/tests/CallbackTest.php b/tests/CallbackTest.php
index d8e43b9039..9f8a97c538 100644
--- a/tests/CallbackTest.php
+++ b/tests/CallbackTest.php
@@ -82,14 +82,22 @@ public function testCallbackTrigger(): void
     public function testViewUrlCallback(): void
     {
         $cbApp = \Atk4\Ui\Callback::addTo($this->app, ['urlTrigger' => 'aa']);
-        $v1 = \Atk4\Ui\View::addTo($cbApp);
+        $v1 = \Atk4\Ui\View::addTo($this->app);
         $cb = \Atk4\Ui\Callback::addTo($v1, ['urlTrigger' => 'bb']);
-        $cb->name = 'bbx';
 
+        $this->simulateCallbackTriggering($cbApp);
         $this->simulateCallbackTriggering($cb);
 
-        $this->assertSame('?__atk_cb_aa=callback&__atk_cbtarget=aa', $cbApp->getUrl());
-        $this->assertSame('?__atk_cb_bb=callback&__atk_cbtarget=bb', $cb->getUrl());
+        $expectedUrlCbApp = '?' . Callback::URL_QUERY_TRIGGER_PREFIX . 'aa=callback&' . Callback::URL_QUERY_TARGET . '=aa';
+        $expectedUrlCb = '?' . Callback::URL_QUERY_TRIGGER_PREFIX . 'aa=1&' . Callback::URL_QUERY_TRIGGER_PREFIX . 'bb=callback&' . Callback::URL_QUERY_TARGET . '=bb';
+        $this->assertSame($expectedUrlCbApp, $cbApp->getUrl());
+        $this->assertSame($expectedUrlCb, $cb->getUrl());
+
+        // URL must remain the same when urlTrigger is set but name is changed
+        $cbApp->name = 'aax';
+        $cb->name = 'bbx';
+        $this->assertSame($expectedUrlCbApp, $cbApp->getUrl());
+        $this->assertSame($expectedUrlCb, $cb->getUrl());
 
         $var = null;
         $cb->set(function ($x) use (&$var, $v1) {
@@ -109,7 +117,7 @@ public function testCallbackNotFiring(): void
     {
         $cb = \Atk4\Ui\Callback::addTo($this->app);
 
-        // do NOT simulate triggering
+        // do NOT simulate triggering in this test
 
         $var = null;
         $cb->set(function ($x) use (&$var) {