1 files changed, 2 insertions, 2 deletions
diff --git a/projects/net.wotonomy.ui/src/main/java/net/wotonomy/ui/EODisplayGroup.java b/projects/net.wotonomy.ui/src/main/java/net/wotonomy/ui/EODisplayGroup.java
index fd80713..033f0a9 100644
--- a/projects/net.wotonomy.ui/src/main/java/net/wotonomy/ui/EODisplayGroup.java
+++ b/projects/net.wotonomy.ui/src/main/java/net/wotonomy/ui/EODisplayGroup.java
@@ -1724,10 +1724,10 @@ public class EODisplayGroup extends Observable implements EOObserving, EOEditing
  * selectionChanged flags after all Associations have been notified.
  */
 class LastGroupObserver extends EODelayedObserver {
-	Reference ref;
+	Reference<EODisplayGroup> ref;
 
 	public LastGroupObserver(EODisplayGroup aDisplayGroup) {
-		ref = new WeakReference(aDisplayGroup);
+		ref = new WeakReference<>(aDisplayGroup);
 	}
 
 	/**