diff --git a/GraphViewerController.jar b/GraphViewerController.jar
index 2de2bd7..8170f6d 100644
Binary files a/GraphViewerController.jar and b/GraphViewerController.jar differ
diff --git a/JUNG/src/GraphViewerController.java b/JUNG/src/GraphViewerController.java
index 322e6e6..c242984 100644
--- a/JUNG/src/GraphViewerController.java
+++ b/JUNG/src/GraphViewerController.java
@@ -210,7 +210,7 @@ public String transform(Number v) {
 				String str = vertexLabels.get(v);
 				if (str != null)
 					return str;
-				else return v.toString();
+				else return "";
 			}
 		};
 		vv.getRenderContext().setVertexLabelTransformer(vertexesLabeler);