Confirmed.
 
	Try updating app/models/invoices.php around line 1528 from:
 
                $items[] = [
                    'service_id' => $service_id,
                    'qty' => $item->qty,
                    'amount' => $this->Currencies->convert(
                        $item->price,
                        $service->package_pricing->currency,
                        $currency,
                        Configure::get('Blesta.company_id')
                    ),
                    'description' => $item->description,
                    'tax' => !empty($item->taxes)
                ];
	To
 
                $items[] = [
                    'service_id' => $service_id,
                    'qty' => $item->qty,
                    'amount' => $this->Currencies->convert(
                        $item->price,
                        $service->override_currency ?? $service->package_pricing->currency,
                        $currency,
                        Configure::get('Blesta.company_id')
                    ),
                    'description' => $item->description,
                    'tax' => !empty($item->taxes)
                ];
	I've created CORE-4441 to handle this.