diff --git a/data/district_heat_share.csv b/data/district_heat_share.csv
index 5afd65c8..07d4f51d 100644
--- a/data/district_heat_share.csv
+++ b/data/district_heat_share.csv
@@ -22,7 +22,7 @@ RS,25,5821
 SI,8.86,1739
 ES,0.251589260787732,1273
 SE,50.4,
-UK,2,
+GB,2,
 BY,70,
 EE,52,5406
 KO,3,207
diff --git a/scripts/build_energy_totals.py b/scripts/build_energy_totals.py
index a53189e0..349a2c82 100644
--- a/scripts/build_energy_totals.py
+++ b/scripts/build_energy_totals.py
@@ -860,8 +860,10 @@ def build_district_heat_share(countries: List[str], idees: pd.DataFrame) -> pd.S
         .squeeze()
     )
     # make conservative assumption and take minimum from both data sets
+    new_index = pd.MultiIndex.from_product([dh_share.index,
+                                            district_heat_share.index.get_level_values(1).unique()])
     district_heat_share = pd.concat(
-        [district_heat_share, dh_share.reindex_like(district_heat_share)], axis=1
+        [district_heat_share, dh_share.reindex(new_index, level=0)], axis=1
     ).min(axis=1)
 
     district_heat_share.name = "district heat share"