diff --git a/channels/tests/base.py b/channels/tests/base.py
index 48c0291..f96589b 100644
--- a/channels/tests/base.py
+++ b/channels/tests/base.py
@@ -157,7 +157,8 @@ class apply_routes(object):
                     routes = list(map(include, self.routes))
                 else:
                     routes = self.routes
-
+            else:
+                routes = [self.routes]
             channel_layer.routing = routes
             channel_layer.router = Router(routes)