diff --git a/scripts/build_district_heat_share.py b/scripts/build_district_heat_share.py
index 6d0bdc32..e8481918 100644
--- a/scripts/build_district_heat_share.py
+++ b/scripts/build_district_heat_share.py
@@ -50,7 +50,7 @@ if __name__ == "__main__":
     configure_logging(snakemake)
     set_scenario_config(snakemake)
 
-    investment_year = int(snakemake.wildcards.planning_horizons[-4:])
+    investment_year = int(snakemake.wildcards.planning_horizons)
 
     pop_layout = pd.read_csv(snakemake.input.clustered_pop_layout, index_col=0)
 
diff --git a/scripts/build_industry_sector_ratios_intermediate.py b/scripts/build_industry_sector_ratios_intermediate.py
index 0fbaa567..e47ad0b7 100644
--- a/scripts/build_industry_sector_ratios_intermediate.py
+++ b/scripts/build_industry_sector_ratios_intermediate.py
@@ -150,7 +150,7 @@ if __name__ == "__main__":
             planning_horizons="2030",
         )
 
-    year = int(snakemake.wildcards.planning_horizons[-4:])
+    year = int(snakemake.wildcards.planning_horizons)
 
     params = snakemake.params.industry
 
diff --git a/scripts/prepare_sector_network.py b/scripts/prepare_sector_network.py
index 89b4f6e1..fcbacd38 100755
--- a/scripts/prepare_sector_network.py
+++ b/scripts/prepare_sector_network.py
@@ -4555,7 +4555,7 @@ if __name__ == "__main__":
     options = snakemake.params.sector
     cf_industry = snakemake.params.industry
 
-    investment_year = int(snakemake.wildcards.planning_horizons[-4:])
+    investment_year = int(snakemake.wildcards.planning_horizons)
 
     n = pypsa.Network(snakemake.input.network)