diff --git a/dataprocessing/sql_snippets/ego_dp_powerflow_assignment_storage.sql b/dataprocessing/sql_snippets/ego_dp_powerflow_assignment_storage.sql
index 90aee5fc..2bd0be4b 100644
--- a/dataprocessing/sql_snippets/ego_dp_powerflow_assignment_storage.sql
+++ b/dataprocessing/sql_snippets/ego_dp_powerflow_assignment_storage.sql
@@ -25,7 +25,7 @@ CREATE TABLE model_draft.ego_supply_pf_storage_single
   p_nom_extendable boolean DEFAULT false, -- Unit: n/a...
   p_nom_min double precision DEFAULT 0, -- Unit: MW...
   p_nom_max double precision, -- Unit: MW...
-  p_min_pu_fixed double precision DEFAULT 0, -- Unit: per unit...
+  p_min_pu_fixed double precision DEFAULT -1, -- Unit: per unit...
   p_max_pu_fixed double precision DEFAULT 1, -- Unit: per unit...
   sign double precision DEFAULT 1, -- Unit: n/a...
   source bigint, -- Unit: n/a...