diff --git a/theme/boost/scss/moodle/filemanager.scss b/theme/boost/scss/moodle/filemanager.scss
index 49cfdf0ac37..b012aad0578 100644
--- a/theme/boost/scss/moodle/filemanager.scss
+++ b/theme/boost/scss/moodle/filemanager.scss
@@ -31,9 +31,9 @@
     height: auto;
 }
 
-/* The javascript is adding a style="height: 0px;" to this element - we need to set the display so the height is ignored. */
+/* The javascript is adding a style="height: 0px;" to this element - we need to set the min-height so the height is ignored. */
 .filepicker .moodle-dialogue-bd {
-    display: table;
+    min-height: 520px;
 }
 .file-picker .fp-navbar {
     border-bottom: 1px solid #e5e5e5;