diff --git a/framework/core/js/src/common/components/Modal.js b/framework/core/js/src/common/components/Modal.js
index 23338ee34..96e6cd9d9 100644
--- a/framework/core/js/src/common/components/Modal.js
+++ b/framework/core/js/src/common/components/Modal.js
@@ -35,7 +35,8 @@ export default class Modal extends Component {
       this.attrs.animateHide();
       // Here, we ensure that the animation has time to complete.
       // See https://mithril.js.org/lifecycle-methods.html#onbeforeremove
-      return new Promise((resolve) => setTimeout(resolve, 1000));
+      // Bootstrap's Modal.TRANSITION_DURATION is 300 ms.
+      return new Promise((resolve) => setTimeout(resolve, 300));
     }
   }