diff --git a/message_ix_models/tools/bilateralize/bare_to_scenario.py b/message_ix_models/tools/bilateralize/bare_to_scenario.py
index 3f2e0a0c09..b68233df1c 100644
--- a/message_ix_models/tools/bilateralize/bare_to_scenario.py
+++ b/message_ix_models/tools/bilateralize/bare_to_scenario.py
@@ -394,7 +394,7 @@ def bare_to_scenario(
             for c in covered_tec
             if c not in ["crudeoil_piped", "foil_piped", "loil_piped"]
         ]:
-            add_tec = tec_config[tec][tec + "_trade"]["trade_technology"] + "_exp"
+            add_tec = tec_config[tec][tec + "_trade"]["trade_technology"]
             hist_tec[tec] = add_tec
 
         for tec in hist_tec.keys():
diff --git a/message_ix_models/tools/bilateralize/historical_calibration.py b/message_ix_models/tools/bilateralize/historical_calibration.py
index 942ff30287..41876e28a6 100644
--- a/message_ix_models/tools/bilateralize/historical_calibration.py
+++ b/message_ix_models/tools/bilateralize/historical_calibration.py
@@ -746,6 +746,12 @@ def build_historical_activity(
         project_name=project_name,
         config_name=config_name,
     )
+    outdf = (
+        outdf.groupby(["node_loc", "technology", "year_act", "mode", "time"])["value"]
+        .sum()
+        .reset_index()
+    )
+
     outdf["unit"] = "GWa"
 
     return outdf.drop_duplicates()