diff --git a/common/lib/xmodule/xmodule/css/capa/display.scss b/common/lib/xmodule/xmodule/css/capa/display.scss
index e5a0a373a56a..f4ee1f182a82 100644
--- a/common/lib/xmodule/xmodule/css/capa/display.scss
+++ b/common/lib/xmodule/xmodule/css/capa/display.scss
@@ -237,7 +237,8 @@ div.problem {
 
   input[type="radio"],
   input[type="checkbox"] {
-    @include margin(($baseline/4) ($baseline/2) ($baseline/4) ($baseline/4));
+    @include margin($baseline/4);
+    @include margin-right($baseline/2);
   }
 
   input {