diff --git a/modules/commons/commons_radioactivity/commons_radioactivity_groups/commons_radioactivity_groups.install b/modules/commons/commons_radioactivity/commons_radioactivity_groups/commons_radioactivity_groups.install
new file mode 100644
index 0000000..cb52424
--- /dev/null
+++ b/modules/commons/commons_radioactivity/commons_radioactivity_groups/commons_radioactivity_groups.install
@@ -0,0 +1,12 @@
+<?php
+
+/**
+ * Use content type machine names for generating CSS classes.
+ */
+function commons_radioactivity_groups_update_7300() {
+  $revert = array(
+    'commons_radioactivity_groups' => array('views_view'),
+  );
+  features_revert($revert);
+  return array();
+}
diff --git a/modules/commons/commons_radioactivity/commons_radioactivity_groups/commons_radioactivity_groups.views_default.inc b/modules/commons/commons_radioactivity/commons_radioactivity_groups/commons_radioactivity_groups.views_default.inc
index 37b4280..1a32743 100644
--- a/modules/commons/commons_radioactivity/commons_radioactivity_groups/commons_radioactivity_groups.views_default.inc
+++ b/modules/commons/commons_radioactivity/commons_radioactivity_groups/commons_radioactivity_groups.views_default.inc
@@ -43,6 +43,7 @@ function commons_radioactivity_groups_views_default_views() {
   $handler->display->display_options['fields']['type']['label'] = '';
   $handler->display->display_options['fields']['type']['exclude'] = TRUE;
   $handler->display->display_options['fields']['type']['element_label_colon'] = FALSE;
+  $handler->display->display_options['fields']['type']['machine_name'] = TRUE;
   /* Field: Content: Nid */
   $handler->display->display_options['fields']['nid']['id'] = 'nid';
   $handler->display->display_options['fields']['nid']['table'] = 'node';