diff --git a/src/c3nav/mesh/api.py b/src/c3nav/mesh/api.py
index 5cbea870..86a23076 100644
--- a/src/c3nav/mesh/api.py
+++ b/src/c3nav/mesh/api.py
@@ -279,7 +279,7 @@ def mesh_map(request, level_id: int):
                     "uplink": None if node_uplink is None else node_uplink.node_id,
                 },
             }
-        })z
+        })
 
         if node_uplink and node.upstream_id:
             upstream_node = collected.nodes[node.upstream_id]