diff --git a/src/ngx-smart-modal/src/services/ngx-smart-modal.service.ts b/src/ngx-smart-modal/src/services/ngx-smart-modal.service.ts
index 1a6f4d34..a9b7f044 100644
--- a/src/ngx-smart-modal/src/services/ngx-smart-modal.service.ts
+++ b/src/ngx-smart-modal/src/services/ngx-smart-modal.service.ts
@@ -280,11 +280,11 @@ export class NgxSmartModalService {
     }) as EventListener);
 
     window.addEventListener(NgxSmartModalConfig.prefixEvent + 'open', ((e: CustomEvent) => {
-      this._openModal(e.detail.instance.modal, e.detail.top);
+      this._openModal(e.detail.instance.modal, e.detail.extraData.top);
     }) as EventListener);
 
     window.addEventListener(NgxSmartModalConfig.prefixEvent + 'toggle', ((e: CustomEvent) => {
-      this._toggleModal(e.detail.instance.modal, e.detail.top);
+      this._toggleModal(e.detail.instance.modal, e.detail.extraData.top);
     }) as EventListener);
 
     window.addEventListener(NgxSmartModalConfig.prefixEvent + 'close', ((e: CustomEvent) => {