Index: trunk/src/org/openstreetmap/josm/gui/JMultilineLabel.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/JMultilineLabel.java	(revision 1863)
+++ trunk/src/org/openstreetmap/josm/gui/JMultilineLabel.java	(revision 1864)
@@ -113,5 +113,5 @@
                     max = Math.max(max, textLayout.getVisibleAdvance());
                 }
-                w += max;
+                w = Math.max(max, w);
             }
         }