diff --git a/course/templates/local/activitychooser/search_results.mustache b/course/templates/local/activitychooser/search_results.mustache
index 3ce9f696212..a7124f16b5d 100644
--- a/course/templates/local/activitychooser/search_results.mustache
+++ b/course/templates/local/activitychooser/search_results.mustache
@@ -34,7 +34,10 @@
 }}
 <p class="mt-4 px-3 pb-1">{{#str}} resultsfound, core, {{searchresultsnumber}} {{/str}}</p>
 <div class="bg-light searchresultitemscontainer-wrapper border">
-<div class="searchresultitemscontainer d-flex flex-wrap mw-100 position-relative p-1" role="menubar" data-region="search-result-items-container">
+<div class="searchresultitemscontainer d-flex flex-wrap h-100 mh-100 mw-100 position-relative p-1"
+     role="menubar"
+     data-region="search-result-items-container"
+    >
     {{#searchresults}}
         {{>core_course/local/activitychooser/item}}
     {{/searchresults}}