Index: /trunk/src/org/openstreetmap/josm/gui/draw/MapViewPath.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/draw/MapViewPath.java	(revision 12398)
+++ /trunk/src/org/openstreetmap/josm/gui/draw/MapViewPath.java	(revision 12399)
@@ -406,5 +406,5 @@
         ClampingPathVisitor(MapViewRectangle clip, double strokeOffset, double strokeLength, PathSegmentConsumer consumer) {
             this.clip = clip;
-            this.strokeProgress = Math.min(strokeLength - strokeOffset, 0);
+            this.strokeProgress = Math.max(strokeLength - strokeOffset, 0);
             this.strokeLength = strokeLength;
             this.consumer = consumer;