Index: lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/web/MonitoringAction.java
===================================================================
diff -u -rf5055dc70a6eaec772be99f03e9fef0e093305d7 -r87ce979ec6db428e139b064cc2e5c6f4b8eb3d77
--- lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/web/MonitoringAction.java	(.../MonitoringAction.java)	(revision f5055dc70a6eaec772be99f03e9fef0e093305d7)
+++ lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/web/MonitoringAction.java	(.../MonitoringAction.java)	(revision 87ce979ec6db428e139b064cc2e5c6f4b8eb3d77)
@@ -1079,10 +1079,11 @@
 
 	    Activity parentActivity = activity.getParentActivity();
 	    if (activity.isBranchingActivity()) {
+		BranchingActivity ba = (BranchingActivity) monitoringService.getActivityById(activity.getActivityId());
 		activityJSON.put("x",
-			MonitoringAction.getActivityCoordinate(((BranchingActivity) activity).getStartXcoord()));
+			MonitoringAction.getActivityCoordinate(ba.getStartXcoord()));
 		activityJSON.put("y",
-			MonitoringAction.getActivityCoordinate(((BranchingActivity) activity).getStartYcoord()));
+			MonitoringAction.getActivityCoordinate(ba.getStartYcoord()));
 	    } else if (activity.isOptionsWithSequencesActivity()) {
 		activityJSON.put("x", MonitoringAction
 			.getActivityCoordinate(((OptionsWithSequencesActivity) activity).getStartXcoord()));