Index: branches/5.2.x/core/admin_templates/incs/style_template.css
===================================================================
diff -u -N -r16592 -r16686
--- branches/5.2.x/core/admin_templates/incs/style_template.css	(.../style_template.css)	(revision 16592)
+++ branches/5.2.x/core/admin_templates/incs/style_template.css	(.../style_template.css)	(revision 16686)
@@ -369,6 +369,11 @@
 	vertical-align: middle;
 }
 
+div.multioptions_filter > div:first-child {
+	overflow-y: auto;
+	max-height: 200px;
+}
+
 /* Column titles row */
 tr.grid-header-row-0 td {
 	height: 25px;