Index: branches/5.2.x/core/admin_templates/config/custom_variables.tpl
===================================================================
diff -u -N -r14941 -r14994
--- branches/5.2.x/core/admin_templates/config/custom_variables.tpl	(.../custom_variables.tpl)	(revision 14941)
+++ branches/5.2.x/core/admin_templates/config/custom_variables.tpl	(.../custom_variables.tpl)	(revision 14994)
@@ -18,13 +18,11 @@
 			var $target = $( jq('#<inp2:InputName name="VariableValue"/>, #config[<inp2:Field name="VariableName"/>]') );
 
 			$target.hide().empty();
+			$target.append('<option value=""></option>');
 
 			if ($timezone_group == '') {
 				return ;
 			}
-			else {
-				$target.append('<option value=""></option>');
-			}
 
 			for (var $i = 0; $i < $timezones[$timezone_group].length; $i++) {
 				var $timezone = $timezones[$timezone_group][$i];