diff --git a/.changeset/wicked-scissors-buy.md b/.changeset/wicked-scissors-buy.md
new file mode 100644
index 0000000000..79950fb357
--- /dev/null
+++ b/.changeset/wicked-scissors-buy.md
@@ -0,0 +1,5 @@
+---
+'@swisspost/design-system-components': patch
+---
+
+Removed focus from collapsible when in collapsed state.
diff --git a/packages/components/src/components/post-collapsible/post-collapsible.tsx b/packages/components/src/components/post-collapsible/post-collapsible.tsx
index e44c2d25c2..424fc8ebbb 100644
--- a/packages/components/src/components/post-collapsible/post-collapsible.tsx
+++ b/packages/components/src/components/post-collapsible/post-collapsible.tsx
@@ -96,7 +96,7 @@ export class PostCollapsible {
 
   render() {
     return (
-      <Host data-version={version}>
+      <Host data-version={version} tabindex={this.collapsed ? -1 : undefined}>
         <slot />
       </Host>
     );