diff --git a/scss/_toasts.scss b/scss/_toasts.scss
index c34e49b2418b..2ce378d5bc96 100644
--- a/scss/_toasts.scss
+++ b/scss/_toasts.scss
@@ -38,6 +38,8 @@
 }
 
 .toast-container {
+  --#{$prefix}toast-zindex: #{$zindex-toast};
+
   position: absolute;
   z-index: var(--#{$prefix}toast-zindex);
   width: max-content;