Index: applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/tilesources/AbstractTileSource.java
===================================================================
--- applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/tilesources/AbstractTileSource.java	(revision 33334)
+++ applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/tilesources/AbstractTileSource.java	(revision 33340)
@@ -20,5 +20,6 @@
     @Override
     public boolean requiresAttribution() {
-        return attributionText != null || attributionImage != null || termsOfUseText != null || termsOfUseURL != null;
+        return attributionText != null || attributionLinkURL != null || attributionImage != null
+                || termsOfUseText != null || termsOfUseURL != null;
     }