diff --git a/cms/static/sass/elements/_xblocks.scss b/cms/static/sass/elements/_xblocks.scss
index c33c804548..b58db7857e 100644
--- a/cms/static/sass/elements/_xblocks.scss
+++ b/cms/static/sass/elements/_xblocks.scss
@@ -785,7 +785,7 @@ div.wrapper-comp-editor.is-inactive ~ div.launch-latex-compiler {
 .wrapper-xblock {
 
     .discussion-preview {
-      background-color: $gray-l5;
+      color: $gray-l1;
       font-style: italic;
     }
 }