Index: applications/editors/josm/plugins/imagery/src/org/openstreetmap/josm/plugins/imagery/tms/BingAerialTileSource.java
===================================================================
--- applications/editors/josm/plugins/imagery/src/org/openstreetmap/josm/plugins/imagery/tms/BingAerialTileSource.java	(revision 24651)
+++ applications/editors/josm/plugins/imagery/src/org/openstreetmap/josm/plugins/imagery/tms/BingAerialTileSource.java	(revision 24652)
@@ -26,7 +26,4 @@
     public BingAerialTileSource() {
         super("Bing Aerial Maps", "http://ecn.t2.tiles.virtualearth.net/tiles/");
-
-        attributions = loadAttributionText();
-        System.err.println("Added " + attributions.size() + " attributions.");
     }
 
@@ -157,4 +154,8 @@
     @Override
     public String getAttributionText(int zoom, LatLon topLeft, LatLon botRight) {
+        if (attributions == null) {
+            attributions = loadAttributionText();
+            System.err.println("Added " + attributions.size() + " attributions.");
+        }
         Bounds windowBounds = new Bounds(topLeft, botRight);
         StringBuilder a = new StringBuilder();