diff --git a/.changeset/twelve-hornets-crash.md b/.changeset/twelve-hornets-crash.md
new file mode 100644
index 0000000000..0c22b70df7
--- /dev/null
+++ b/.changeset/twelve-hornets-crash.md
@@ -0,0 +1,5 @@
+---
+'@swisspost/design-system-components': patch
+---
+
+Fixed the `post-accordion-item` chevron no longer rotating.
diff --git a/packages/components/src/components/post-accordion-item/post-accordion-item.tsx b/packages/components/src/components/post-accordion-item/post-accordion-item.tsx
index 1a7d913a80..7947d8c9ca 100644
--- a/packages/components/src/components/post-accordion-item/post-accordion-item.tsx
+++ b/packages/components/src/components/post-accordion-item/post-accordion-item.tsx
@@ -51,7 +51,7 @@ export class PostAccordionItem {
 
   @Listen('postToggle')
   onCollapseToggle(event: CustomEvent<boolean>): void {
-    if ((event.target as HTMLElement).localName === 'post-collapsible') {
+    if ((event.target as HTMLElement).localName === 'post-accordion-item') {
       this.isOpen = event.detail;
     }
   }