diff --git a/renderer/components/Pay/PaySummaryLightning.js b/renderer/components/Pay/PaySummaryLightning.js
index 75e2a062f7d..56a554f50d3 100644
--- a/renderer/components/Pay/PaySummaryLightning.js
+++ b/renderer/components/Pay/PaySummaryLightning.js
@@ -3,7 +3,7 @@ import PropTypes from 'prop-types'
 import { Box, Flex } from 'rebass/styled-components'
 import { FormattedMessage } from 'react-intl'
 import { convert } from '@zap/utils/btc'
-import { decodePayReq, getNodeAlias } from '@zap/utils/crypto'
+import { decodePayReq, getNodeAlias, getTag } from '@zap/utils/crypto'
 import BigArrowRight from 'components/Icon/BigArrowRight'
 import { Bar, DataRow, Spinner, Text } from 'components/UI'
 import { CryptoSelector, CryptoValue, FiatValue } from 'containers/UI'
@@ -63,8 +63,7 @@ class PaySummaryLightning extends React.Component {
     }
 
     const { satoshis, millisatoshis, payeeNodeKey } = invoice
-    const descriptionTag = invoice.tags.find(tag => tag.tagName === 'description') || {}
-    const memo = descriptionTag.data
+    const memo = getTag(invoice, 'description')
     const amountInSatoshis = satoshis || convert('msats', 'sats', millisatoshis) || amount
 
     const nodeAlias = getNodeAlias(payeeNodeKey, nodes)
diff --git a/renderer/components/Request/RequestSummary.js b/renderer/components/Request/RequestSummary.js
index ef8bd29825d..b53a6d12a9c 100644
--- a/renderer/components/Request/RequestSummary.js
+++ b/renderer/components/Request/RequestSummary.js
@@ -3,7 +3,7 @@ import PropTypes from 'prop-types'
 import { Box, Flex } from 'rebass/styled-components'
 import { FormattedMessage, FormattedTime, injectIntl } from 'react-intl'
 import copy from 'copy-to-clipboard'
-import { decodePayReq } from '@zap/utils/crypto'
+import { decodePayReq, getTag } from '@zap/utils/crypto'
 import getUnixTime from '@zap/utils/time'
 import { Bar, DataRow, Button, QRCode, Text, Countdown } from 'components/UI'
 import { CryptoSelector, CryptoValue, FiatSelector, FiatValue } from 'containers/UI'
@@ -31,13 +31,12 @@ const RequestSummary = ({ invoice = {}, payReq, intl, showNotification, ...rest
     showNotification(notifBody)
   }
 
-  const { satoshis: invoiceAmount, tags, timestampString } = decodedInvoice
+  const { satoshis: invoiceAmount, timestampString } = decodedInvoice
   const satoshis = invoice.finalAmount || invoiceAmount || 0
-  const descriptionTag = tags.find(tag => tag.tagName === 'description') || {}
-  const memo = descriptionTag.data
+  const memo = getTag(decodedInvoice, 'description')
 
-  const fallbackTag = tags.find(tag => tag.tagName === 'fallback_address')
-  const fallback = fallbackTag && fallbackTag.data.address
+  const fallbackTag = getTag(decodedInvoice, 'fallback_address')
+  const fallback = fallbackTag && fallbackTag.address
 
   const getStatusColor = () => {
     if (invoice.settled) {
diff --git a/renderer/reducers/autopay.js b/renderer/reducers/autopay.js
index e9907af1aee..241db910eec 100644
--- a/renderer/reducers/autopay.js
+++ b/renderer/reducers/autopay.js
@@ -2,6 +2,7 @@ import { createSelector } from 'reselect'
 import { isAutopayEnabled } from '@zap/utils/featureFlag'
 import { showSystemNotification } from '@zap/utils/notifications'
 import { getIntl } from '@zap/i18n'
+import { getTag } from '@zap/utils/crypto'
 import truncateNodePubkey from '@zap/utils/truncateNodePubkey'
 import { contactFormSelectors } from './contactsform'
 import { tickerSelectors } from './ticker'
@@ -232,7 +233,7 @@ function setAutopayListFromArray(state, { list }) {
 export const showAutopayNotification = invoice => async (dispatch, getState) => {
   const nodes = networkSelectors.nodes(getState())
 
-  const descriptionTag = invoice.tags.find(tag => tag.tagName === 'description') || {}
+  const memo = getTag(invoice, 'description')
   const node = nodes.find(n => n.pub_key === invoice.payeeNodeKey)
   const nodeName = node ? getNodeDisplayName(node) : truncateNodePubkey(invoice.payeeNodeKey)
 
@@ -247,9 +248,9 @@ export const showAutopayNotification = invoice => async (dispatch, getState) =>
   })
 
   let body = message
-  if (descriptionTag.data) {
+  if (memo) {
     const detail = intl.formatMessage(messages.autopay_notification_detail, {
-      reason: descriptionTag.data,
+      reason: memo,
     })
     body += ` ${detail}`
   }
diff --git a/renderer/reducers/payment.js b/renderer/reducers/payment.js
index 149e6b0a92f..0d23140d1bf 100644
--- a/renderer/reducers/payment.js
+++ b/renderer/reducers/payment.js
@@ -4,7 +4,7 @@ import uniqBy from 'lodash/uniqBy'
 import find from 'lodash/find'
 import errorToUserFriendly from '@zap/utils/userFriendlyErrors'
 import { getIntl } from '@zap/i18n'
-import { decodePayReq, getNodeAlias } from '@zap/utils/crypto'
+import { decodePayReq, getNodeAlias, getTag } from '@zap/utils/crypto'
 import { convert } from '@zap/utils/btc'
 import delay from '@zap/utils/delay'
 import genId from '@zap/utils/genId'
@@ -116,9 +116,9 @@ export function getPayments() {
  */
 export const sendPayment = data => dispatch => {
   const invoice = decodePayReq(data.paymentRequest)
-  const paymentHashTag = invoice.tags ? invoice.tags.find(t => t.tagName === 'payment_hash') : null
+  const paymentHash = getTag(invoice, 'payment_hash')
 
-  if (!paymentHashTag || !paymentHashTag.data) {
+  if (!paymentHash) {
     dispatch(showError(getIntl().formatMessage(messages.payment_send_error)))
     return
   }
@@ -128,7 +128,7 @@ export const sendPayment = data => dispatch => {
     status: PAYMENT_STATUS_SENDING,
     isSending: true,
     creation_date: Math.round(new Date() / 1000),
-    payment_hash: paymentHashTag.data,
+    payment_hash: paymentHash,
   }
 
   dispatch({
diff --git a/services/grpc/lightning.methods.js b/services/grpc/lightning.methods.js
index 43aea41cee5..035229ba6eb 100644
--- a/services/grpc/lightning.methods.js
+++ b/services/grpc/lightning.methods.js
@@ -1,5 +1,5 @@
 import promisifiedCall from '@zap/utils/promisifiedCall'
-import { decodePayReq as bolt11DecodePayReq } from '@zap/utils/crypto'
+import { decodePayReq as bolt11DecodePayReq, getTag } from '@zap/utils/crypto'
 import { grpcLog } from '@zap/utils/log'
 import { logGrpcCmd } from './helpers'
 
@@ -278,10 +278,7 @@ async function sendPayment(payload = {}) {
         // In some cases lnd does not return the payment_hash. If this happens, retrieve it from the invoice.
         else {
           const invoice = bolt11DecodePayReq(payload.payment_request)
-          const paymentHashTag = invoice.tags
-            ? invoice.tags.find(t => t.tagName === 'payment_hash')
-            : null
-          data.payment_hash = paymentHashTag ? paymentHashTag.data : null
+          data.payment_hash = getTag(invoice, 'payment_hash')
         }
 
         // Convert the preimage to a hex string.
diff --git a/utils/crypto.js b/utils/crypto.js
index fcaeb3d7222..a4a279d374d 100644
--- a/utils/crypto.js
+++ b/utils/crypto.js
@@ -31,6 +31,21 @@ export const coinTypes = {
   },
 }
 
+/**
+ * getTag = Get tag data for `tagName` from a decoded bolt11 invoice.
+ *
+ * @param  {object} invoice Decoded bolt11 invoice
+ * @param  {string} tagName Tag to fetch
+ * @returns {*|null} Tag data or null if not found
+ */
+export const getTag = (invoice, tagName) => {
+  try {
+    return invoice.tags.find(t => t.tagName === tagName).data
+  } catch (e) {
+    return null
+  }
+}
+
 /**
  * decodePayReq - Decodes a payment request.
  *
@@ -40,7 +55,7 @@ export const coinTypes = {
  */
 export const decodePayReq = (payReq, addDefaults = true) => {
   const data = lightningRequestReq.decode(payReq)
-  const expiry = data.tags.find(t => t.tagName === 'expire_time')
+  const expiry = getTag(data, 'expire_time')
   if (addDefaults && !expiry) {
     data.tags.push({
       tagName: 'expire_time',