Index: applications/editors/josm/plugins/wmsplugin/src/wmsplugin/WMSPreferenceEditor.java
===================================================================
--- applications/editors/josm/plugins/wmsplugin/src/wmsplugin/WMSPreferenceEditor.java	(revision 15890)
+++ applications/editors/josm/plugins/wmsplugin/src/wmsplugin/WMSPreferenceEditor.java	(revision 15940)
@@ -116,5 +116,5 @@
 
         p.add(buttonPanel);
-        p.add(Box.createHorizontalGlue(), GBC.std().fill(GBC.HORIZONTAL));
+        p.add(Box.createHorizontalGlue(), GBC.eol().fill(GBC.HORIZONTAL));
 
         overlapCheckBox = new JCheckBox(tr("Overlap tiles"), WMSPlugin.doOverlap );