diff --git a/scss/_custom-forms.scss b/scss/_custom-forms.scss
index d303c48d0b..7ad68bb85c 100644
--- a/scss/_custom-forms.scss
+++ b/scss/_custom-forms.scss
@@ -144,7 +144,11 @@
   background: $custom-select-bg $custom-select-indicator no-repeat right $custom-select-padding-x center;
   background-size: $custom-select-bg-size;
   border: $custom-select-border-width solid $custom-select-border-color;
-  @include border-radius($custom-select-border-radius);
+  @if $enable-rounded {
+    border-radius: $custom-select-border-radius;
+  } @else {
+    border-radius: 0;
+  }
   appearance: none;
 
   &:focus {