diff --git a/nav.py b/nav.py
index aadfa3c..56c55ad 100644
--- a/nav.py
+++ b/nav.py
@@ -67,8 +67,9 @@ def plan(destination):
     return route, total, total / CRUISE_SPEED, fuel
 
 
-def asteroid_route(belt
+def asteroid_route(belt):
     # TODO: figure out how to route through the asteroid belt
+    return ROUTES["ceres"] +
 
 
 def print_plan(destination):