1 files changed, 1 insertions, 1 deletions
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/model/InternalTreeModelViewer.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/model/InternalTreeModelViewer.java
index b5ef7ce09..b6fab9a4b 100644
--- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/model/InternalTreeModelViewer.java
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/model/InternalTreeModelViewer.java
@@ -1424,7 +1424,7 @@ public class InternalTreeModelViewer extends TreeViewer implements IInternalTree
     @Override
 	public Display getDisplay() {
         Control control = getControl();
-        if (control != null) {
+		if (control != null && !control.isDisposed()) {
             return  control.getDisplay();
         }
         return null;