diff --git a/Classes/CurrentControllerExpressionNode.php b/Classes/CurrentControllerExpressionNode.php
index 66778c2..03289e1 100644
--- a/Classes/CurrentControllerExpressionNode.php
+++ b/Classes/CurrentControllerExpressionNode.php
@@ -16,7 +16,7 @@ class CurrentControllerExpressionNode extends AbstractExpressionNode implements
      * note: this could be readonly in PHP8
      * @var string
      */
-    public static string $detectionExpression = '/{currentController:([a-z0-9]+)}/i';
+    public static string $detectionExpression = '/\{#currentController\.([a-z0-9]+)\}/';
 
     public static function evaluateExpression(RenderingContextInterface $renderingContext, $expression, array $matches)
     {
diff --git a/Resources/Private/Templates/Tests/Functional/Fixtures/Test/InArrays.html b/Resources/Private/Templates/Tests/Functional/Fixtures/Test/InArrays.html
new file mode 100644
index 0000000..0cac6aa
--- /dev/null
+++ b/Resources/Private/Templates/Tests/Functional/Fixtures/Test/InArrays.html
@@ -0,0 +1,6 @@
+<f:render section="Test" arguments="{controllername: '{#currentController.name}'}" /><f:section name="Test">{controllername}
+{#currentController.actionName}
+{#currentController.packageKey}
+{#currentController.subpackageKey}
+{#currentController.objectName}
+{#currentController.format}</f:section>
diff --git a/Resources/Private/Templates/Tests/Functional/Fixtures/Test/Index.html b/Resources/Private/Templates/Tests/Functional/Fixtures/Test/Index.html
index 48b6549..cb5df1f 100644
--- a/Resources/Private/Templates/Tests/Functional/Fixtures/Test/Index.html
+++ b/Resources/Private/Templates/Tests/Functional/Fixtures/Test/Index.html
@@ -1,6 +1,6 @@
-{currentController:name}
-{currentController:actionName}
-{currentController:packageKey}
-{currentController:subpackageKey}
-{currentController:objectName}
-{currentController:format}
+{#currentController.name}
+{#currentController.actionName}
+{#currentController.packageKey}
+{#currentController.subpackageKey}
+{#currentController.objectName}
+{#currentController.format}
diff --git a/Resources/Private/Templates/Tests/Functional/Fixtures/Test/WithLayout.html b/Resources/Private/Templates/Tests/Functional/Fixtures/Test/WithLayout.html
index a20d817..2b71b43 100644
--- a/Resources/Private/Templates/Tests/Functional/Fixtures/Test/WithLayout.html
+++ b/Resources/Private/Templates/Tests/Functional/Fixtures/Test/WithLayout.html
@@ -1,7 +1,7 @@
 <f:layout name="Test" />
-<f:section name="Content">{currentController:name}
-{currentController:actionName}
-{currentController:packageKey}
-{currentController:subpackageKey}
-{currentController:objectName}
-{currentController:format}</f:section>
+<f:section name="Content">{#currentController.name}
+{#currentController.actionName}
+{#currentController.packageKey}
+{#currentController.subpackageKey}
+{#currentController.objectName}
+{#currentController.format}</f:section>
diff --git a/Tests/Functional/CurrentControllerExpressionNodeTest.php b/Tests/Functional/CurrentControllerExpressionNodeTest.php
index 0f73e9c..5602a61 100644
--- a/Tests/Functional/CurrentControllerExpressionNodeTest.php
+++ b/Tests/Functional/CurrentControllerExpressionNodeTest.php
@@ -49,7 +49,13 @@ html
 ',
             (string)$response->getBody()
         );
+    }
 
+    /**
+     * @test
+     */
+    public function itReturnsCurrentControllerInformationsUsedInLayouts(): void
+    {
         $response = $this->browser->request('http://localhost/test/currentcontrollerexpressions/test/withlayout');
         static::assertEquals(
             'Test
@@ -58,6 +64,24 @@ DigiComp.FluidCurrentControllerExpression
 Tests\Functional\Fixtures
 DigiComp\FluidCurrentControllerExpression\Tests\Functional\Fixtures\Controller\TestController
 html
+',
+            (string)$response->getBody()
+        );
+    }
+
+    /**
+     * @test
+     */
+    public function itReturnsCurrentControllerInformationsUsedInArrays(): void
+    {
+        $response = $this->browser->request('http://localhost/test/currentcontrollerexpressions/test/inArrays');
+        static::assertEquals(
+            'Test
+inArrays
+DigiComp.FluidCurrentControllerExpression
+Tests\Functional\Fixtures
+DigiComp\FluidCurrentControllerExpression\Tests\Functional\Fixtures\Controller\TestController
+html
 ',
             (string)$response->getBody()
         );
diff --git a/Tests/Functional/Fixtures/Controller/TestController.php b/Tests/Functional/Fixtures/Controller/TestController.php
index 19911f3..341c8a2 100644
--- a/Tests/Functional/Fixtures/Controller/TestController.php
+++ b/Tests/Functional/Fixtures/Controller/TestController.php
@@ -15,4 +15,8 @@ class TestController extends ActionController
     public function withLayoutAction()
     {
     }
+
+    public function inArraysAction()
+    {
+    }
 }