diff --git a/src/multi_stage/write_multi_stage_costs.jl b/src/multi_stage/write_multi_stage_costs.jl
index 92a8c9a71c..5faffb8317 100644
--- a/src/multi_stage/write_multi_stage_costs.jl
+++ b/src/multi_stage/write_multi_stage_costs.jl
@@ -36,7 +36,7 @@ function write_multi_stage_costs(outpath::String, settings_d::Dict, inputs_dict:
                     cum_stage_length += stage_lens[stage_counter]
                 end
             end
-            DF = 1 / (1 + wacc)^(cum_stage_length)  # Discount factor applied to ALL costs in each stage
+            DF_tech = 1 / (1 + wacc)^(cum_stage_length)  # Discount factor applied to ALL costs in each stage
         end
         df_costs[!, Symbol("TotalCosts_p$p")] = DF .* costs_d[p][!, Symbol("Total")]
     end