diff --git a/plugins/views_plugin_style.inc b/plugins/views_plugin_style.inc
index fe12607..4beed72 100644
--- a/plugins/views_plugin_style.inc
+++ b/plugins/views_plugin_style.inc
@@ -355,6 +355,7 @@ class views_plugin_style extends views_plugin {
     $output = '';
     foreach ($sets as $set) {
       $row = reset($set['rows']);
+      $level = isset($set['level']) ? $set['level'] : $level;
       // Render as a grouping set.
       if (is_array($row) && isset($row['group'])) {
         $output .= theme(views_theme_functions('views_view_grouping', $this->view, $this->display),
@@ -445,7 +446,7 @@ class views_plugin_style extends views_plugin {
         // hierarchically positioned set where the current row belongs to.
         // While iterating, parent groups, that do not exist yet, are added.
         $set = &$sets;
-        foreach ($groupings as $info) {
+        foreach ($groupings as $level => $info) {
           $field = $info['field'];
           $rendered = isset($info['rendered']) ? $info['rendered'] : $group_rendered;
           $rendered_strip = isset($info['rendered_strip']) ? $info['rendered_strip'] : FALSE;
@@ -478,6 +479,7 @@ class views_plugin_style extends views_plugin {
           // Create the group if it does not exist yet.
           if (empty($set[$grouping])) {
             $set[$grouping]['group'] = $group_content;
+            $set[$grouping]['level'] = $level;
             $set[$grouping]['rows'] = array();
           }
 
diff --git a/tests/styles/views_plugin_style.test b/tests/styles/views_plugin_style.test
index 2bb2857..e6226aa 100644
--- a/tests/styles/views_plugin_style.test
+++ b/tests/styles/views_plugin_style.test
@@ -78,6 +78,7 @@ class ViewsPluginStyleTestCase extends ViewsPluginStyleTestBase {
     $expected = array();
     $expected['Job: Singer'] = array();
     $expected['Job: Singer']['group'] = 'Job: Singer';
+    $expected['Job: Singer']['level'] = '0';
     $expected['Job: Singer']['rows'][0] = new StdClass();
     $expected['Job: Singer']['rows'][0]->views_test_name = 'John';
     $expected['Job: Singer']['rows'][0]->views_test_job = 'Singer';
@@ -88,6 +89,7 @@ class ViewsPluginStyleTestCase extends ViewsPluginStyleTestBase {
     $expected['Job: Singer']['rows'][1]->views_test_id = '2';
     $expected['Job: Drummer'] = array();
     $expected['Job: Drummer']['group'] = 'Job: Drummer';
+    $expected['Job: Drummer']['level'] = '0';
     $expected['Job: Drummer']['rows'][2] = new StdClass();
     $expected['Job: Drummer']['rows'][2]->views_test_name = 'Ringo';
     $expected['Job: Drummer']['rows'][2]->views_test_job = 'Drummer';
@@ -161,8 +163,10 @@ class ViewsPluginStyleTestCase extends ViewsPluginStyleTestBase {
     $expected = array();
     $expected['Job: Singer'] = array();
     $expected['Job: Singer']['group'] = 'Job: Singer';
+    $expected['Job: Singer']['level'] = 0;
     $expected['Job: Singer']['rows']['Age: 25'] = array();
     $expected['Job: Singer']['rows']['Age: 25']['group'] = 'Age: 25';
+    $expected['Job: Singer']['rows']['Age: 25']['level'] = 1;
     $expected['Job: Singer']['rows']['Age: 25']['rows'][0] = new StdClass();
     $expected['Job: Singer']['rows']['Age: 25']['rows'][0]->views_test_name = 'John';
     $expected['Job: Singer']['rows']['Age: 25']['rows'][0]->views_test_job = 'Singer';
@@ -170,6 +174,7 @@ class ViewsPluginStyleTestCase extends ViewsPluginStyleTestBase {
     $expected['Job: Singer']['rows']['Age: 25']['rows'][0]->views_test_id = '1';
     $expected['Job: Singer']['rows']['Age: 27'] = array();
     $expected['Job: Singer']['rows']['Age: 27']['group'] = 'Age: 27';
+    $expected['Job: Singer']['rows']['Age: 27']['level'] = 1;
     $expected['Job: Singer']['rows']['Age: 27']['rows'][1] = new StdClass();
     $expected['Job: Singer']['rows']['Age: 27']['rows'][1]->views_test_name = 'George';
     $expected['Job: Singer']['rows']['Age: 27']['rows'][1]->views_test_job = 'Singer';
@@ -177,8 +182,10 @@ class ViewsPluginStyleTestCase extends ViewsPluginStyleTestBase {
     $expected['Job: Singer']['rows']['Age: 27']['rows'][1]->views_test_id = '2';
     $expected['Job: Drummer'] = array();
     $expected['Job: Drummer']['group'] = 'Job: Drummer';
+    $expected['Job: Drummer']['level'] = 0;
     $expected['Job: Drummer']['rows']['Age: 28'] = array();
     $expected['Job: Drummer']['rows']['Age: 28']['group'] = 'Age: 28';
+    $expected['Job: Drummer']['rows']['Age: 28']['level'] = 1;
     $expected['Job: Drummer']['rows']['Age: 28']['rows'][2] = new StdClass();
     $expected['Job: Drummer']['rows']['Age: 28']['rows'][2]->views_test_name = 'Ringo';
     $expected['Job: Drummer']['rows']['Age: 28']['rows'][2]->views_test_job = 'Drummer';