diff --git a/swmmanywhere/swmmanywhere.py b/swmmanywhere/swmmanywhere.py
index 466c161a..642d2930 100644
--- a/swmmanywhere/swmmanywhere.py
+++ b/swmmanywhere/swmmanywhere.py
@@ -99,7 +99,7 @@ def swmmanywhere(config: dict) -> tuple[parameters.FilePaths, dict]:
                               gpd.read_file(config['real']['subcatchments']),
                               load_graph(config['real']['graph']),
                               config['metric_list'],
-                              parameters['metric_evaluation'])
+                              params['metric_evaluation'])
 
     return addresses, metrics