diff --git a/core/src/components/accordion-group/accordion-group.tsx b/core/src/components/accordion-group/accordion-group.tsx
index 6907e74569..eeb99b42fb 100644
--- a/core/src/components/accordion-group/accordion-group.tsx
+++ b/core/src/components/accordion-group/accordion-group.tsx
@@ -180,6 +180,16 @@ export class AccordionGroup implements ComponentInterface {
     if (this.readonly) {
       this.readonlyChanged();
     }
+    /**
+     * When binding values in frameworks such as Angular
+     * it is possible for the value to be set after the Web Component
+     * initializes but before the value watcher is set up in Stencil.
+     * As a result, the watcher callback may not be fired.
+     * We work around this by manually calling the watcher
+     * callback when the component has loaded and the watcher
+     * is configured.
+     */
+    this.valueChanged();
   }
 
   /**