diff --git a/postgres/budgetservice.go b/postgres/budgetservice.go
index 82372dd..58918df 100644
--- a/postgres/budgetservice.go
+++ b/postgres/budgetservice.go
@@ -59,5 +59,6 @@ func (s *Database) NewBudget(context context.Context, name string, userID uuid.U
 		return nil, fmt.Errorf("commit: %w", err)
 	}
 
+	budget.IncomeCategoryID = cat.ID
 	return &budget, nil
 }