diff --git a/scripts/prepare_sector_network.py b/scripts/prepare_sector_network.py
index 91bcc2e9..0ddafb37 100644
--- a/scripts/prepare_sector_network.py
+++ b/scripts/prepare_sector_network.py
@@ -2094,6 +2094,8 @@ if __name__ == "__main__":
 
     patch_electricity_network(n)
 
+    define_spatial(pop_layout.index)
+
     if snakemake.config["foresight"] == 'myopic':
         
         add_lifetime_wind_solar(n, costs)