diff --git a/.changeset/fifty-peaches-turn.md b/.changeset/fifty-peaches-turn.md
new file mode 100644
index 0000000000..4217acc96a
--- /dev/null
+++ b/.changeset/fifty-peaches-turn.md
@@ -0,0 +1,5 @@
+---
+'@swisspost/design-system-components': patch
+---
+
+Prevent the `post-tabs` component from triggering a `post Change` event before it is loaded.
diff --git a/packages/components/src/components/post-tabs/post-tabs.tsx b/packages/components/src/components/post-tabs/post-tabs.tsx
index 68d6e97e9a..b6d6d03510 100644
--- a/packages/components/src/components/post-tabs/post-tabs.tsx
+++ b/packages/components/src/components/post-tabs/post-tabs.tsx
@@ -74,23 +74,17 @@ export class PostTabs {
     }
 
     // hide the currently visible panel only if no other animation is running
-    if (previousTab && !this.showing && !this.hiding) {
-      this.hidePanel(previousTab.panel);
-    }
+    if (previousTab && !this.showing && !this.hiding) this.hidePanel(previousTab.panel);
 
     // wait for any hiding animation to complete before showing the selected tab
-    if (this.hiding) {
-      await this.hiding.finished;
-    }
+    if (this.hiding) await this.hiding.finished;
 
     this.showSelectedPanel();
 
     // wait for any display animation to complete for the returned promise to fully resolve
-    if (this.showing) {
-      await this.showing.finished;
-    }
+    if (this.showing) await this.showing.finished;
 
-    this.postChange.emit(this.activeTab.panel);
+    if (this.isLoaded) this.postChange.emit(this.activeTab.panel);
   }
 
   private moveMisplacedTabs() {