Index: trunk/src/org/openstreetmap/josm/gui/MapFrame.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/MapFrame.java	(revision 15858)
+++ trunk/src/org/openstreetmap/josm/gui/MapFrame.java	(revision 15859)
@@ -5,4 +5,5 @@
 
 import java.awt.BorderLayout;
+import java.awt.Color;
 import java.awt.Component;
 import java.awt.Container;
@@ -647,5 +648,5 @@
 
         JButton createButton() {
-            button = new BasicArrowButton(SwingConstants.EAST) {
+            button = new BasicArrowButton(SwingConstants.EAST, null, null, Color.BLACK, null) {
 
                 @Override