diff --git a/src/test/java/de/thm/arsnova/dao/StubDatabaseDao.java b/src/test/java/de/thm/arsnova/dao/StubDatabaseDao.java
index 638abd6683d114d0c321987ec41afff45d84eb7b..77c59cd652879c4c6d4385cc978c5da6ecb24a61 100644
--- a/src/test/java/de/thm/arsnova/dao/StubDatabaseDao.java
+++ b/src/test/java/de/thm/arsnova/dao/StubDatabaseDao.java
@@ -425,4 +425,10 @@ public class StubDatabaseDao implements IDatabaseDao {
 		// TODO Auto-generated method stub
 		return null;
 	}
+
+	@Override
+	public List<String> getInactiveUsers(int timeDifference) {
+		// TODO Auto-generated method stub
+		return null;
+	}
 }