diff --git a/etrago/cluster/spatial.py b/etrago/cluster/spatial.py
index 0dbbabe3..36b33e04 100755
--- a/etrago/cluster/spatial.py
+++ b/etrago/cluster/spatial.py
@@ -110,7 +110,7 @@ def sum_with_inf(x):
 
 
 def strategies_buses():
-    return {"geom": nan_links, "country": "first"}
+    return {"geom": nan_links, "country": "first", "scn_name": "first",}
 
 
 def strategies_lines():
@@ -120,6 +120,7 @@ def strategies_lines():
         "topo": "first",
         "country": "first",
         "total_cables": np.sum,
+        "scn_name": "first",
     }