diff --git a/theme/boost/scss/moodle/modules.scss b/theme/boost/scss/moodle/modules.scss
index ae0d3a40070..d8677bc2c8b 100644
--- a/theme/boost/scss/moodle/modules.scss
+++ b/theme/boost/scss/moodle/modules.scss
@@ -97,6 +97,13 @@ select {
         }
     }
 
+    .discussion-list {
+        .topic {
+            // Do not use the default bold style for the table headings.
+            font-weight: inherit;
+        }
+    }
+
     // Style for the forum subscription mode node.
     .subscriptionmode {
         color: $body-color;
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index bf77d330fea..3b730acaea3 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -16262,6 +16262,9 @@ select {
 .path-mod-forum .forumheaderlist .discussion .lastpost {
   vertical-align: top; }
 
+.path-mod-forum .discussion-list .topic {
+  font-weight: inherit; }
+
 .path-mod-forum .subscriptionmode {
   color: #373a3c; }
 
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index 3fa11e1c32a..36b7d172731 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -16531,6 +16531,9 @@ select {
 .path-mod-forum .forumheaderlist .discussion .lastpost {
   vertical-align: top; }
 
+.path-mod-forum .discussion-list .topic {
+  font-weight: inherit; }
+
 .path-mod-forum .subscriptionmode {
   color: #373a3c; }