diff --git a/js/src/ui/Portal/portal.css b/js/src/ui/Portal/portal.css
index 2e6ff8370..85e8be4f1 100644
--- a/js/src/ui/Portal/portal.css
+++ b/js/src/ui/Portal/portal.css
@@ -68,12 +68,13 @@ $popoverZ: 3600;
   }
 
   &.modal {
+    z-index: $modalZ;
+
     &:not(.small) {
       bottom: $modalBottom;
       left: $modalLeft;
       right: $modalRight;
       top: $modalTop;
-      z-index: $modalZ;
     }
 
     /* TODO: Small Portals don't adjust their overall height like we have with the