diff --git a/static/style.css b/static/style.css
index 9ac84598c..c652d192e 100644
--- a/static/style.css
+++ b/static/style.css
@@ -44,3 +44,9 @@ span.fancytree-node.fancytree-folder > span.fancytree-icon {
     background-image: url("icons/folder.png");
 }
 
+.ui-autocomplete {
+    max-height: 300px;
+    overflow-y: auto;
+    /* prevent horizontal scrollbar */
+    overflow-x: hidden;
+}
\ No newline at end of file