1 files changed, 8 insertions, 3 deletions
diff --git a/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/TaskListExternalizationParticipant.java b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/TaskListExternalizationParticipant.java
index 6ac133e71..fbe3349c0 100644
--- a/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/TaskListExternalizationParticipant.java
+++ b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/internal/tasks/core/externalization/TaskListExternalizationParticipant.java
@@ -140,10 +140,15 @@ public class TaskListExternalizationParticipant extends AbstractExternalizationP
 	}
 
 	public void containersChanged(Set<TaskContainerDelta> containers) {
-		synchronized (TaskListExternalizationParticipant.this) {
-			dirty = true;
+		for (TaskContainerDelta taskContainerDelta : containers) {
+			if (!taskContainerDelta.isTransient()) {
+				synchronized (TaskListExternalizationParticipant.this) {
+					dirty = true;
+				}
+				manager.requestSave();
+				return;
+			}
 		}
-		manager.requestSave();
 	}
 
 	public void taskListRead() {