diff --git a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/ExtendedLayerRootEditPart.java b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/ExtendedLayerRootEditPart.java
index 35897bc7866185a552944ca58f1b5468c91bc234..058abb3ad00aaa6c0187e7f30de52caf50dc5a7e 100644
--- a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/ExtendedLayerRootEditPart.java
+++ b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/ExtendedLayerRootEditPart.java
@@ -49,7 +49,7 @@ import org.eclipse.gef.editparts.ScalableRootEditPart;
  * @author hoelzl
  * @author $Author$
  * @version $Rev$
- * @ConQAT.Rating GREEN Hash: 82CB8680B590194A7CF6DE3EF1F53680
+ * @ConQAT.Rating YELLOW Hash: 918FDBBF606526A6FA02F1105CCB3DF6
  */
 public class ExtendedLayerRootEditPart extends ScalableRootEditPart {
 	/** The node layer ID. */
@@ -97,7 +97,7 @@ public class ExtendedLayerRootEditPart extends ScalableRootEditPart {
 
 		// set the minimum size of the pane such that it is enough for each AF3 diagram
 		// this addresses Issue #135
-		Dimension paneSize = new Dimension(2000, 2000);
+		Dimension paneSize = new Dimension(4000, 4000);
 		pane.setMinimumSize(paneSize);
 		pane.setPreferredSize(paneSize);