Index: trunk/src/org/openstreetmap/josm/actions/upload/ValidateUploadHook.java
===================================================================
--- trunk/src/org/openstreetmap/josm/actions/upload/ValidateUploadHook.java	(revision 6682)
+++ trunk/src/org/openstreetmap/josm/actions/upload/ValidateUploadHook.java	(revision 6683)
@@ -132,5 +132,5 @@
         );
         pnlMessage.setPreferredSize(new Dimension(500, 150));
-        p.add(pnlMessage, GBC.eol());
+        p.add(pnlMessage, GBC.eol().fill(GBC.HORIZONTAL));
         p.add(new JScrollPane(errorPanel), GBC.eol().fill(GBC.BOTH));