diff --git a/common/static/images/spinner-on-grey.gif b/common/static/images/spinner-on-grey.gif
new file mode 100644
index 0000000000..f43d52e4f4
Binary files /dev/null and b/common/static/images/spinner-on-grey.gif differ
diff --git a/common/static/images/spinner.gif b/common/static/images/spinner.gif
index b2f94cd12c..e23eb78abe 100644
Binary files a/common/static/images/spinner.gif and b/common/static/images/spinner.gif differ
diff --git a/lms/static/sass/_discussion.scss b/lms/static/sass/_discussion.scss
index 2e3aed996f..21f22c3593 100644
--- a/lms/static/sass/_discussion.scss
+++ b/lms/static/sass/_discussion.scss
@@ -1006,8 +1006,14 @@ body.discussion {
 
   .post-list {
     background-color: #ddd;
+
     .loading {
       padding: 15px 0;
+      background: #f6f6f6;
+
+      .loading-animation {
+        background-image: url(../images/spinner-on-grey.gif);
+      }
     }
 
     a {