diff --git a/common/lib/xmodule/xmodule/css/capa/display.scss b/common/lib/xmodule/xmodule/css/capa/display.scss
index e40abf3ade..1b9261138b 100644
--- a/common/lib/xmodule/xmodule/css/capa/display.scss
+++ b/common/lib/xmodule/xmodule/css/capa/display.scss
@@ -40,7 +40,7 @@ section.problem {
     @include clearfix;
 
     label.choicegroup_correct{
-      text:after{
+      &:after{
         content: url('../images/correct-icon.png');
       }
     }