diff --git a/portlets/up-activities-portlet/docroot/WEB-INF/src/de/unipotsdam/elis/activities/util/ActivitiesUtil.java b/portlets/up-activities-portlet/docroot/WEB-INF/src/de/unipotsdam/elis/activities/util/ActivitiesUtil.java
index 4ada402dbd04..218c32e015f4 100644
--- a/portlets/up-activities-portlet/docroot/WEB-INF/src/de/unipotsdam/elis/activities/util/ActivitiesUtil.java
+++ b/portlets/up-activities-portlet/docroot/WEB-INF/src/de/unipotsdam/elis/activities/util/ActivitiesUtil.java
@@ -135,6 +135,8 @@ public static String getMoodleSocialActivityCssClass (String moodleSocialActivit
 			moodleSocialActivityType = "lecture";
 		if (moodleSocialActivityType.equals("quiz"))
 			moodleSocialActivityType = "test";
+		if (moodleSocialActivityType.equals("url"))
+			moodleSocialActivityType = "resource";
 		
 		return moodleSocialActivityType;
 	}