diff --git a/rules/solve_myopic.smk b/rules/solve_myopic.smk
index 21fb7169..8d3230ad 100644
--- a/rules/solve_myopic.smk
+++ b/rules/solve_myopic.smk
@@ -21,8 +21,18 @@ rule add_existing_baseyear:
                 config_provider("scenario", "planning_horizons", 0)(w)
             )
         ),
-        cop_soil_total=resources("cop_soil_total_elec_s{simpl}_{clusters}.nc"),
-        cop_air_total=resources("cop_air_total_elec_s{simpl}_{clusters}.nc"),
+        cop_soil_decentral_heating=resources(
+            "cop_soil_decentral_heating_elec_s{simpl}_{clusters}.nc"
+        ),
+        cop_air_decentral_heating=resources(
+            "cop_air_decentral_heating_elec_s{simpl}_{clusters}.nc"
+        ),
+        cop_air_central_heating=resources(
+            "cop_air_central_heating_elec_s{simpl}_{clusters}.nc"
+        ),
+        cop_soil_central_heating=resources(
+            "cop_soil_central_heating_elec_s{simpl}_{clusters}.nc"
+        ),
         existing_heating_distribution=resources(
             "existing_heating_distribution_elec_s{simpl}_{clusters}_{planning_horizons}.csv"
         ),
diff --git a/rules/solve_perfect.smk b/rules/solve_perfect.smk
index 51cb3920..d2ea1a16 100644
--- a/rules/solve_perfect.smk
+++ b/rules/solve_perfect.smk
@@ -19,8 +19,18 @@ rule add_existing_baseyear:
                 config_provider("scenario", "planning_horizons", 0)(w)
             )
         ),
-        cop_soil_total=resources("cop_soil_total_elec_s{simpl}_{clusters}.nc"),
-        cop_air_total=resources("cop_air_total_elec_s{simpl}_{clusters}.nc"),
+        cop_soil_decentral_heating=resources(
+            "cop_soil_decentral_heating_elec_s{simpl}_{clusters}.nc"
+        ),
+        cop_air_decentral_heating=resources(
+            "cop_air_decentral_heating_elec_s{simpl}_{clusters}.nc"
+        ),
+        cop_air_central_heating=resources(
+            "cop_air_central_heating_elec_s{simpl}_{clusters}.nc"
+        ),
+        cop_soil_central_heating=resources(
+            "cop_soil_central_heating_elec_s{simpl}_{clusters}.nc"
+        ),
         existing_heating_distribution=resources(
             "existing_heating_distribution_elec_s{simpl}_{clusters}_{planning_horizons}.csv"
         ),
diff --git a/scripts/add_existing_baseyear.py b/scripts/add_existing_baseyear.py
index cc82295d..9770e6ce 100644
--- a/scripts/add_existing_baseyear.py
+++ b/scripts/add_existing_baseyear.py
@@ -436,7 +436,7 @@ def add_heating_capacities_installed_before_baseyear(
         services proportional to heating load in both 50% capacities
         in rural buses 50% in urban buses
     cop: dict
-        Dictionary with time-dependent coefficients of perforamnce (COPs) for air and ground heat pumps as values and keys "air decentral", "ground decentral", "air central", "ground central"
+        Dictionary with time-dependent coefficients of performance (COPs) for air and ground heat pumps as values and keys "air decentral", "ground decentral", "air central", "ground central"
     time_dep_hp_cop: bool
         If True, time-dependent (dynamic) COPs are used for heat pumps
     """
@@ -459,7 +459,7 @@ def add_heating_capacities_installed_before_baseyear(
 
         efficiency = (
             cop[f"{heat_pump_type} {name_type}"][nodes]
-            if options["time_dep_hp_cop"]
+            if time_dep_hp_cop
             else costs.at[costs_name, "efficiency"]
         )