diff --git a/.changeset/olive-planes-flash.md b/.changeset/olive-planes-flash.md
new file mode 100644
index 0000000000..bda1e5d93d
--- /dev/null
+++ b/.changeset/olive-planes-flash.md
@@ -0,0 +1,5 @@
+---
+"@openproject/primer-view-components": patch
+---
+
+Fix: Delete the direction from the body arguments
diff --git a/app/components/primer/beta/avatar_stack.rb b/app/components/primer/beta/avatar_stack.rb
index a397d4919d..c28903e5c6 100644
--- a/app/components/primer/beta/avatar_stack.rb
+++ b/app/components/primer/beta/avatar_stack.rb
@@ -52,6 +52,7 @@ def initialize(tag: DEFAULT_TAG, align: ALIGN_DEFAULT, tooltipped: false, body_a
 
         @tooltip_arguments = {
           for_id: @body_arguments[:id],
+          direction: @body_arguments.delete(:direction),
         }
 
         @tooltip_arguments[:direction] = @direction || Primer::Alpha::Tooltip::DIRECTION_DEFAULT