diff --git a/code/GridFieldAddNewMultiClass.php b/code/GridFieldAddNewMultiClass.php
index 5b23188..ff4e404 100755
--- a/code/GridFieldAddNewMultiClass.php
+++ b/code/GridFieldAddNewMultiClass.php
@@ -153,7 +153,7 @@ class GridFieldAddNewMultiClass implements GridField_HTMLProvider, GridField_URL
 
 		$data = new ArrayData(array(
 			'Title'      => $this->getTitle(),
-			'Link'       => Controller::join_links($grid->Link(), 'add-multi-class'),
+			'Link'       => Controller::join_links($grid->Link(), 'add-multi-class', '{class}'),
 			'ClassField' => $field
 		));
 
diff --git a/javascript/GridFieldExtensions.js b/javascript/GridFieldExtensions.js
index 9e92ede..fbfe90c 100644
--- a/javascript/GridFieldExtensions.js
+++ b/javascript/GridFieldExtensions.js
@@ -128,11 +128,11 @@
 
 		$(".ss-gridfield-add-new-multi-class .ss-ui-button").entwine({
 			onclick: function() {
-				var link = this.prop("href");
+				var link = this.data("href");
 				var cls  = this.parents(".ss-gridfield-add-new-multi-class").find("select").val();
 
 				if(cls && cls.length) {
-					this.getGridField().showDetailView(link + "/" + cls);
+					this.getGridField().showDetailView(link.replace("{class}", cls));
 				}
 
 				return false;
diff --git a/templates/GridFieldAddNewMultiClass.ss b/templates/GridFieldAddNewMultiClass.ss
index b6165c4..ec116d1 100644
--- a/templates/GridFieldAddNewMultiClass.ss
+++ b/templates/GridFieldAddNewMultiClass.ss
@@ -1,7 +1,7 @@
 <div class="ss-gridfield-add-new-multi-class">
 	$ClassField.FieldHolder
 
-	<a href="$Link" class="ss-ui-action-constructive ss-ui-button" data-icon="add">
+	<a href="#" data-href="$Link" class="ss-ui-action-constructive ss-ui-button" data-icon="add">
 		$Title
 	</a>
 </div>