diff --git a/postgres/cumultative-balances.sql.go b/postgres/cumultative-balances.sql.go
index 98f3aed..de14e6d 100644
--- a/postgres/cumultative-balances.sql.go
+++ b/postgres/cumultative-balances.sql.go
@@ -19,7 +19,7 @@ SELECT COALESCE(ass.date, tra.date), COALESCE(ass.category_id, tra.category_id),
        COALESCE(tra.amount, 0)::decimal(12,2) as transactions
 FROM assignments_by_month as ass
 FULL OUTER JOIN transactions_by_month as tra ON ass.date = tra.date AND ass.category_id = tra.category_id
-WHERE (ass.budget_id IS NULL OR ass.budget_id = $1) AND (tra.budget_id IS NULL OR tra.budget_id = $1)
+WHERE COALESCE(ass.budget_id, tra.budget_id) = $1
 ORDER BY COALESCE(ass.date, tra.date), COALESCE(ass.amount, tra.amount)
 `
 
diff --git a/postgres/queries/cumultative-balances.sql b/postgres/queries/cumultative-balances.sql
index cc22480..4803d8b 100644
--- a/postgres/queries/cumultative-balances.sql
+++ b/postgres/queries/cumultative-balances.sql
@@ -4,5 +4,5 @@ SELECT COALESCE(ass.date, tra.date), COALESCE(ass.category_id, tra.category_id),
        COALESCE(tra.amount, 0)::decimal(12,2) as transactions
 FROM assignments_by_month as ass
 FULL OUTER JOIN transactions_by_month as tra ON ass.date = tra.date AND ass.category_id = tra.category_id
-WHERE (ass.budget_id IS NULL OR ass.budget_id = @budget_id) AND (tra.budget_id IS NULL OR tra.budget_id = @budget_id)
+WHERE COALESCE(ass.budget_id, tra.budget_id) = @budget_id
 ORDER BY COALESCE(ass.date, tra.date), COALESCE(ass.amount, tra.amount);
\ No newline at end of file