1 files changed, 1 insertions, 1 deletions
diff --git a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/workingsets/TaskWorkingSetUpdater.java b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/workingsets/TaskWorkingSetUpdater.java
index cdb7314c3..9239ca27d 100644
--- a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/workingsets/TaskWorkingSetUpdater.java
+++ b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/workingsets/TaskWorkingSetUpdater.java
@@ -50,7 +50,7 @@ public class TaskWorkingSetUpdater implements IWorkingSetUpdater, ITaskListChang
 			if (adaptable instanceof AbstractTaskContainer) {
 				String handle = ((AbstractTaskContainer) adaptable).getHandleIdentifier();
 				for (AbstractTaskContainer element : TasksUiPlugin.getTaskListManager().getTaskList().getRootElements()) {
-					if (element instanceof AbstractTaskContainer && element.getHandleIdentifier().equals(handle)) {
+					if (element != null && element.getHandleIdentifier().equals(handle)) {
 						list.add(adaptable);
 					}
 				}