diff --git a/moto/server.py b/moto/server.py
index 70f5b03d..a4622248 100644
--- a/moto/server.py
+++ b/moto/server.py
@@ -24,7 +24,8 @@ class RegexConverter(BaseConverter):
 
 
 def configure_urls(service):
-    backend = globals()["{}_backend".format(service)]
+    module = sys.modules[__name__]
+    backend = getattr(module, "{}_backend".format(service))
     from werkzeug.routing import Map
     # Reset view functions to reset the app
     app.view_functions = {}