diff --git a/tilequeue/process.py b/tilequeue/process.py
index fceb7767..49c47eb4 100644
--- a/tilequeue/process.py
+++ b/tilequeue/process.py
@@ -242,6 +242,8 @@ def lookup_source(source):
         result = Source('shp', source)
     elif source == 'whosonfirst.mapzen.com':
         result = Source('wof', source)
+    elif source == 'tilezen.org':
+        result = Source('shp', source)
 
     return result