diff --git a/skins/elastic/styles/widgets/forms.less b/skins/elastic/styles/widgets/forms.less
index 93d9cb4b0..628b69106 100644
--- a/skins/elastic/styles/widgets/forms.less
+++ b/skins/elastic/styles/widgets/forms.less
@@ -1293,8 +1293,10 @@ input.icon-checkbox {
         box-shadow: 0 0 0 .2rem @color-input-border-focus-shadow;
     }
 
+    &:invalid,
     &.is-invalid {
         border-color: @color-input-border-invalid;
+        box-shadow: none;
 
         &:focus {
             border-color: @color-input-border-invalid;