popup must be added to panel before showing

diff --git a/src/jalview/appletgui/ScalePanel.java b/src/jalview/appletgui/ScalePanel.java
index 5419d27..ce1f330 100755 (executable)
--- a/src/jalview/appletgui/ScalePanel.java
+++ b/src/jalview/appletgui/ScalePanel.java
@@ -99,6 +99,7 @@ public class ScalePanel
           });\r
           pop.add(item);\r
         }\r
+        this.add(pop);\r
         pop.show(this, evt.getX(), evt.getY());\r
       }\r
       else if (av.getColumnSelection().contains(res))\r
@@ -115,6 +116,7 @@ public class ScalePanel
           }\r
         });\r
         pop.add(item);\r
+        this.add(pop);\r
         pop.show(this, evt.getX(), evt.getY());\r
       }\r
     }\r