PCAPanel checks viewport selection group

diff --git a/src/jalview/appletgui/AlignFrame.java b/src/jalview/appletgui/AlignFrame.java
index 289e761..1cfddf8 100755 (executable)
--- a/src/jalview/appletgui/AlignFrame.java
+++ b/src/jalview/appletgui/AlignFrame.java
@@ -1136,7 +1136,7 @@ public class AlignFrame
 \r
     try\r
     {\r
-      PCAPanel pcaPanel = new PCAPanel(viewport, null);\r
+      PCAPanel pcaPanel = new PCAPanel(viewport);\r
       Frame frame = new Frame();\r
       frame.add(pcaPanel);\r
       jalview.bin.JalviewLite.addFrame(frame, "Principal component analysis",\r