diff --git a/theme/boost/scss/moodle/course.scss b/theme/boost/scss/moodle/course.scss
index 32572f3ba7e..8bb33caaeeb 100644
--- a/theme/boost/scss/moodle/course.scss
+++ b/theme/boost/scss/moodle/course.scss
@@ -1810,7 +1810,7 @@ $divider-hover-color: $primary !default;
         border: $border-width solid $border-color;
         padding: 0;
         margin: map-get($spacers, 2) 0;
-        .activity-altcontent {
+        > .activity-grid > .activity-altcontent {
             margin-top: 0;
         }
     }
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index 6efb6b772fc..a78947448ab 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -30028,7 +30028,7 @@ span.editinstructions .alert-link {
   padding: 0;
   margin: 0.5rem 0;
 }
-.activity.subsection > .activity-item .activity-altcontent {
+.activity.subsection > .activity-item > .activity-grid > .activity-altcontent {
   margin-top: 0;
 }
 .activity.subsection .section {
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index 0303dc69e01..73d9e67395d 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -30028,7 +30028,7 @@ span.editinstructions .alert-link {
   padding: 0;
   margin: 0.5rem 0;
 }
-.activity.subsection > .activity-item .activity-altcontent {
+.activity.subsection > .activity-item > .activity-grid > .activity-altcontent {
   margin-top: 0;
 }
 .activity.subsection .section {