Index: /trunk/src/org/openstreetmap/josm/io/Capabilities.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/io/Capabilities.java	(revision 4061)
+++ /trunk/src/org/openstreetmap/josm/io/Capabilities.java	(revision 4062)
@@ -137,5 +137,5 @@
     public boolean isOnImageryBlacklist(String url)
     {
-        if (url != null){
+        if (url != null && imageryBlacklist.size() != 0) {
             for (String blacklistRegex : imageryBlacklist) {
                 if (url.matches(blacklistRegex))