1 files changed, 3 insertions, 1 deletions
diff --git a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/util/SortCriterion.java b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/util/SortCriterion.java
index 43a5f638d..0752ce2a3 100644
--- a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/util/SortCriterion.java
+++ b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/util/SortCriterion.java
@@ -22,7 +22,7 @@ import org.eclipse.ui.IMemento;
 public class SortCriterion {
 
 	public enum SortKey {
-		NONE, DATE_CREATED, PRIORITY, RANK, SUMMARY, TASK_ID, TASK_TYPE, DUE_DATE;
+		NONE, DATE_CREATED, PRIORITY, RANK, SUMMARY, TASK_ID, TASK_TYPE, DUE_DATE, MODIFICATION_DATE;
 
 		public static SortKey valueOfLabel(String label) {
 			for (SortKey value : values()) {
@@ -51,6 +51,8 @@ public class SortCriterion {
 				return Messages.SortCriterion_Type;
 			case DUE_DATE:
 				return Messages.SortKindEntry_Due_Date;
+			case MODIFICATION_DATE:
+				return Messages.SortCriterion_Modification_Date;
 			default:
 				return null;
 			}