Index: /applications/editors/josm/plugins/wmsplugin/webkit-image.cpp
===================================================================
--- /applications/editors/josm/plugins/wmsplugin/webkit-image.cpp	(revision 11987)
+++ /applications/editors/josm/plugins/wmsplugin/webkit-image.cpp	(revision 11988)
@@ -67,5 +67,5 @@
       BINARYSTDOUT
       if(f.open(stdout, QIODevice::WriteOnly|QIODevice::Unbuffered))
-        p.save(&f, "PNG");
+        p.save(&f, "JPG");
     }
     emit finish();