diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/NotificationSynchronizer.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/NotificationSynchronizer.java
index e652d1d7..9773eb78 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/NotificationSynchronizer.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/NotificationSynchronizer.java
@@ -1,5 +1,6 @@
 package pp.mdga.client;
 
+import com.jme3.system.NanoTimer;
 import pp.mdga.client.acoustic.MdgaSound;
 import pp.mdga.client.board.BoardHandler;
 import pp.mdga.client.gui.GuiHandler;