Index: /trunk/src/org/openstreetmap/josm/data/Preferences.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/Preferences.java	(revision 5461)
+++ /trunk/src/org/openstreetmap/josm/data/Preferences.java	(revision 5462)
@@ -1777,4 +1777,5 @@
         String[] obsolete = {
                 "gui.combobox.maximum-row-count",  // 08/2012 - briefly introduced with #7917, can be removed end 2012
+                "color.Imagery fade",              // 08/2012 - wrong property caused by #6723, can be removed mid-2013
         };
         for (String key : obsolete) {
Index: /trunk/src/org/openstreetmap/josm/gui/layer/ImageryLayer.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/layer/ImageryLayer.java	(revision 5461)
+++ /trunk/src/org/openstreetmap/josm/gui/layer/ImageryLayer.java	(revision 5462)
@@ -56,5 +56,5 @@
 
     public static void setFadeColor(Color color) {
-        Main.pref.putColor(marktr("Imagery fade"), color);
+        Main.pref.putColor("imagery.fade", color);
     }