Index: trunk/src/org/openstreetmap/josm/gui/dialogs/properties/PropertiesDialog.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/dialogs/properties/PropertiesDialog.java	(revision 5432)
+++ trunk/src/org/openstreetmap/josm/gui/dialogs/properties/PropertiesDialog.java	(revision 5433)
@@ -648,5 +648,5 @@
                 JPanel tagPanel = new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));
                 tagPanel.add(tagLabel);
-                p.add(tagPanel, GBC.eol());
+                p.add(tagPanel, GBC.eol().fill(GBC.HORIZONTAL));
             }
         }