diff --git a/controllers/payinvoice.ctrl.go b/controllers/payinvoice.ctrl.go
index e885d49..b7eff34 100644
--- a/controllers/payinvoice.ctrl.go
+++ b/controllers/payinvoice.ctrl.go
@@ -64,7 +64,7 @@ func (controller *PayInvoiceController) PayInvoice(c echo.Context) error {
 	}
 	c.Logger().Info("%v", decodedPaymentRequest)
 
-	invoice, err := controller.svc.AddOutgoingInvoice(userID, paymentRequest, *decodedPaymentRequest)
+	invoice, err := controller.svc.AddOutgoingInvoice(userID, paymentRequest, decodedPaymentRequest)
 	if err != nil {
 		c.Logger().Errorf("Error creating invoice: %v", err)
 		// TODO: sentry notification
diff --git a/db/models/invoice.go b/db/models/invoice.go
index 17b705c..830f6b9 100644
--- a/db/models/invoice.go
+++ b/db/models/invoice.go
@@ -16,7 +16,7 @@ type Invoice struct {
 	UserID               int64        `json:"user_id" validate:"required"`
 	User                 *User        `bun:"rel:belongs-to,join:user_id=id"`
 	Amount               int64        `json:"amount" validate:"gte=0"`
-	Memo                 string       `json:"memo"`
+	Memo                 string       `json:"memo" bun:",nullzero"`
 	DescriptionHash      string       `json:"description_hash" bun:",nullzero"`
 	PaymentRequest       string       `json:"payment_request" bun:",nullzero"`
 	DestinationPubkeyHex string       `json:"destination_pubkey_hex" bun:",notnull"`
diff --git a/lib/service/invoices.go b/lib/service/invoices.go
index 33ddf23..db7cf14 100644
--- a/lib/service/invoices.go
+++ b/lib/service/invoices.go
@@ -194,17 +194,19 @@ func (svc *LndhubService) PayInvoice(invoice *models.Invoice) (*models.Transacti
 	return &entry, err
 }
 
-func (svc *LndhubService) AddOutgoingInvoice(userID int64, paymentRequest string, decodedInvoice zpay32.Invoice) (*models.Invoice, error) {
+func (svc *LndhubService) AddOutgoingInvoice(userID int64, paymentRequest string, decodedInvoice *zpay32.Invoice) (*models.Invoice, error) {
 	// Initialize new DB invoice
 	destinationPubkeyHex := hex.EncodeToString(decodedInvoice.Destination.SerializeCompressed())
 	invoice := models.Invoice{
 		Type:                 "outgoing",
 		UserID:               userID,
-		Memo:                 *decodedInvoice.Description,
 		PaymentRequest:       paymentRequest,
 		State:                "initialized",
 		DestinationPubkeyHex: destinationPubkeyHex,
 	}
+	if decodedInvoice.Description != nil {
+		invoice.Memo = *decodedInvoice.Description
+	}
 	if decodedInvoice.DescriptionHash != nil {
 		dh := *decodedInvoice.DescriptionHash
 		invoice.DescriptionHash = hex.EncodeToString(dh[:])