diff --git a/src/internal-packages/validation/styles/option-selector.less b/src/internal-packages/validation/styles/option-selector.less
index 3db049903d6..0aee95d22b4 100644
--- a/src/internal-packages/validation/styles/option-selector.less
+++ b/src/internal-packages/validation/styles/option-selector.less
@@ -3,9 +3,13 @@
   padding: 0 5px;
 }
 
-
 .has-error .option-selector {
   button.dropdown-toggle {
     border-color: #843534;
   }
 }
+
+.open > .dropdown-menu {
+	overflow: scroll;
+    max-height: 200px;
+}
\ No newline at end of file