diff -r d5b02af28125 -r f0a0bfc4a0c8 web/views/igeocodable.py
--- a/web/views/igeocodable.py	Thu Jan 12 18:17:19 2012 +0100
+++ b/web/views/igeocodable.py	Tue Jan 17 11:47:14 2012 +0100
@@ -80,7 +80,7 @@
             'markers': markers,
             }
         if zoomlevel:
-            geodata['zoomlevel'] = zoomlevel
+            geodata['zoomlevel'] = int(zoomlevel)
         self.w(json_dumps(geodata))
 
     def build_marker_data(self, entity, igeocodable, extraparams):