diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 29ca53b8d0..e4510a5551 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -621,7 +621,7 @@ parameters:
 			path: src/bundle/Controller/ObjectStateController.php
 
 		-
-			message: "#^Property Ibexa\\\\Contracts\\\\Core\\\\Repository\\\\Values\\\\ObjectState\\\\ObjectStateCreateStruct\\:\\:\\$names \\(array\\<string\\>\\) does not accept array\\<int\\|string, string\\|null\\>\\.$#"
+			message: "#^Property Ibexa\\\\Contracts\\\\Core\\\\Repository\\\\Values\\\\ObjectState\\\\ObjectStateCreateStruct\\:\\:\\$names \\(array\\<string\\>\\) does not accept array\\<string\\|null\\>\\.$#"
 			count: 1
 			path: src/bundle/Controller/ObjectStateController.php
 
@@ -656,7 +656,7 @@ parameters:
 			path: src/bundle/Controller/ObjectStateGroupController.php
 
 		-
-			message: "#^Property Ibexa\\\\Contracts\\\\Core\\\\Repository\\\\Values\\\\ObjectState\\\\ObjectStateGroupCreateStruct\\:\\:\\$names \\(array\\<string\\>\\) does not accept array\\<int\\|string, string\\|null\\>\\.$#"
+			message: "#^Property Ibexa\\\\Contracts\\\\Core\\\\Repository\\\\Values\\\\ObjectState\\\\ObjectStateGroupCreateStruct\\:\\:\\$names \\(array\\<string\\>\\) does not accept array\\<string\\|null\\>\\.$#"
 			count: 1
 			path: src/bundle/Controller/ObjectStateGroupController.php
 
diff --git a/src/bundle/Resources/views/themes/admin/ui/menu/anchor_menu.html.twig b/src/bundle/Resources/views/themes/admin/ui/menu/anchor_menu.html.twig
index ba902affde..05774bbab2 100644
--- a/src/bundle/Resources/views/themes/admin/ui/menu/anchor_menu.html.twig
+++ b/src/bundle/Resources/views/themes/admin/ui/menu/anchor_menu.html.twig
@@ -49,7 +49,7 @@
         {%- if loop.first %}
             {%- set itemClass = itemClass ~ ' ibexa-anchor-navigation-menu__sections-item-btn--active' %}
         {%- endif %}
-        {%- do item.setAttribute('data-target-id', "#" ~ item.getAttribute('data-target-id')) -%}
+        {%- do item.setAttribute('data-target-id', "#" ~ item.getAttribute('data-target-id')|lower|slug) -%}
         {%- do item.setAttribute('class', (item.getAttribute('class') ~ ' ' ~ itemClass)|trim) -%}
         {%- do item.setAttribute('type', 'button') -%}
         {%- do item.setLabelAttribute('class', 'ibexa-anchor-navigation-menu__sections-item-btn-label') -%}