Index: trunk/src/org/openstreetmap/josm/data/imagery/JosmTemplatedTMSTileSource.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/imagery/JosmTemplatedTMSTileSource.java	(revision 18764)
+++ trunk/src/org/openstreetmap/josm/data/imagery/JosmTemplatedTMSTileSource.java	(revision 18766)
@@ -19,4 +19,7 @@
     public JosmTemplatedTMSTileSource(TileSourceInfo info) {
         super(info);
+        if (info instanceof ImageryInfo) {
+            getHeaders().putAll(((ImageryInfo) info).getCustomHttpHeaders());
+        }
     }