diff --git a/db/routines/R__086_fn_forecast_pv_prague_day_ops.sql b/db/routines/R__086_fn_forecast_pv_prague_day_ops.sql
index 1d1ab62..64419b9 100644
--- a/db/routines/R__086_fn_forecast_pv_prague_day_ops.sql
+++ b/db/routines/R__086_fn_forecast_pv_prague_day_ops.sql
@@ -16,7 +16,7 @@ as $fn$
 declare
   v_ts_start timestamptz;
   v_ts_end timestamptz;
-  v_tgt interval_rows bigint;
+  v_tgt bigint;
   v_acc bigint;
   v_iv bigint;
   v_run bigint;