diff --git a/tools/cooja/java/se/sics/cooja/motes/AbstractWakeupMote.java b/tools/cooja/java/se/sics/cooja/motes/AbstractWakeupMote.java
index 2b30579fd..2092b6a79 100644
--- a/tools/cooja/java/se/sics/cooja/motes/AbstractWakeupMote.java
+++ b/tools/cooja/java/se/sics/cooja/motes/AbstractWakeupMote.java
@@ -97,6 +97,16 @@ public abstract class AbstractWakeupMote implements Mote {
     });
   }
 
+  /**
+   * @return Next wakeup time, or -1 if not scheduled
+   */
+  public long getNextWakeupTime() {
+	  if (!executeMoteEvent.isScheduled()) {
+		  return -1;
+	  }
+	  return executeMoteEvent.getTime();
+  }
+  
   /**
    * Execute mote software at given time, or earlier.
    * 
@@ -126,6 +136,7 @@ public abstract class AbstractWakeupMote implements Mote {
       /*logger.info("Rescheduled wakeup from " + executeMoteEvent.getTime() + " to " + time);*/
       executeMoteEvent.remove();
     }
+
     simulation.scheduleEvent(executeMoteEvent, time);
     return true;
   }