diff --git a/js/src/toast.js b/js/src/toast.js
index fd023e702..ff375846a 100644
--- a/js/src/toast.js
+++ b/js/src/toast.js
@@ -107,6 +107,7 @@ class Toast {
     }
 
     this._element.classList.remove(ClassName.HIDE)
+    Util.reflow(this._element)
     this._element.classList.add(ClassName.SHOWING)
     if (this._config.animation) {
       const transitionDuration = Util.getTransitionDurationFromElement(this._element)