diff --git a/src/bridge/LibcoreBridge.js b/src/bridge/LibcoreBridge.js
index 642788d1..c9b9535d 100644
--- a/src/bridge/LibcoreBridge.js
+++ b/src/bridge/LibcoreBridge.js
@@ -9,7 +9,7 @@ import FeesBitcoinKind from 'components/FeesField/BitcoinKind'
 import libcoreScanAccounts from 'commands/libcoreScanAccounts'
 import libcoreSyncAccount from 'commands/libcoreSyncAccount'
 import libcoreSignAndBroadcast from 'commands/libcoreSignAndBroadcast'
-import libcoreGetFees from 'commands/libcoreGetFees'
+import libcoreGetFees, { extractGetFeesInputFromAccount } from 'commands/libcoreGetFees'
 import libcoreValidAddress from 'commands/libcoreValidAddress'
 import { NotEnoughBalance } from 'config/errors'
 import type { WalletBridge, EditProps } from './types'
@@ -85,8 +85,7 @@ const getFees = async (a, transaction) => {
   if (promise) return promise
   promise = libcoreGetFees
     .send({
-      accountId: a.id,
-      accountIndex: a.index,
+      ...extractGetFeesInputFromAccount(a),
       transaction: serializeTransaction(transaction),
     })
     .toPromise()
diff --git a/src/commands/libcoreGetFees.js b/src/commands/libcoreGetFees.js
index ab96ff30..58e8512c 100644
--- a/src/commands/libcoreGetFees.js
+++ b/src/commands/libcoreGetFees.js
@@ -4,9 +4,17 @@ import { Observable } from 'rxjs'
 import { BigNumber } from 'bignumber.js'
 import withLibcore from 'helpers/withLibcore'
 import { createCommand, Command } from 'helpers/ipc'
+import type { Account } from '@ledgerhq/live-common/lib/types'
 import * as accountIdHelper from 'helpers/accountId'
-import { isValidAddress, libcoreAmountToBigNumber, bigNumberToLibcoreAmount } from 'helpers/libcore'
+import {
+  isValidAddress,
+  libcoreAmountToBigNumber,
+  bigNumberToLibcoreAmount,
+  getOrCreateWallet,
+} from 'helpers/libcore'
+import { isSegwitPath, isUnsplitPath } from 'helpers/bip32'
 import { InvalidAddress } from 'config/errors'
+import { splittedCurrencies } from 'config/cryptocurrencies'
 
 type BitcoinLikeTransaction = {
   // TODO we rename this Transaction concept into transactionInput
@@ -19,20 +27,34 @@ type Input = {
   accountId: string,
   accountIndex: number,
   transaction: BitcoinLikeTransaction,
+  currencyId: string,
+  isSegwit: boolean,
+  isUnsplit: boolean,
+}
+
+export const extractGetFeesInputFromAccount = (a: Account) => {
+  const currencyId = a.currency.id
+  return {
+    accountId: a.id,
+    accountIndex: a.index,
+    currencyId,
+    isSegwit: isSegwitPath(a.freshAddressPath),
+    isUnsplit: isUnsplitPath(a.freshAddressPath, splittedCurrencies[currencyId]),
+  }
 }
 
 type Result = { totalFees: string }
 
 const cmd: Command<Input, Result> = createCommand(
   'libcoreGetFees',
-  ({ accountId, accountIndex, transaction }) =>
+  ({ accountId, currencyId, isSegwit, isUnsplit, accountIndex, transaction }) =>
     Observable.create(o => {
       let unsubscribed = false
       const isCancelled = () => unsubscribed
 
       withLibcore(async core => {
         const { walletName } = accountIdHelper.decode(accountId)
-        const njsWallet = await core.getPoolInstance().getWallet(walletName)
+        const njsWallet = await getOrCreateWallet(core, walletName, currencyId, isSegwit, isUnsplit)
         if (isCancelled()) return
         const njsAccount = await njsWallet.getAccount(accountIndex)
         if (isCancelled()) return
diff --git a/src/commands/libcoreSignAndBroadcast.js b/src/commands/libcoreSignAndBroadcast.js
index 83d36a2b..d1fbd814 100644
--- a/src/commands/libcoreSignAndBroadcast.js
+++ b/src/commands/libcoreSignAndBroadcast.js
@@ -6,8 +6,13 @@ import type { OperationRaw } from '@ledgerhq/live-common/lib/types'
 import Btc from '@ledgerhq/hw-app-btc'
 import { Observable } from 'rxjs'
 import { getCryptoCurrencyById } from '@ledgerhq/live-common/lib/helpers/currencies'
-import { isSegwitPath } from 'helpers/bip32'
-import { libcoreAmountToBigNumber, bigNumberToLibcoreAmount } from 'helpers/libcore'
+import { isSegwitPath, isUnsplitPath } from 'helpers/bip32'
+import {
+  libcoreAmountToBigNumber,
+  bigNumberToLibcoreAmount,
+  getOrCreateWallet,
+} from 'helpers/libcore'
+import { splittedCurrencies } from 'config/cryptocurrencies'
 
 import withLibcore from 'helpers/withLibcore'
 import { createCommand, Command } from 'helpers/ipc'
@@ -187,7 +192,10 @@ export async function doSignAndBroadcast({
   onOperationBroadcasted: (optimisticOp: $Exact<OperationRaw>) => void,
 }): Promise<void> {
   const { walletName } = accountIdHelper.decode(accountId)
-  const njsWallet = await core.getPoolInstance().getWallet(walletName)
+
+  const isSegwit = isSegwitPath(freshAddressPath)
+  const isUnsplit = isUnsplitPath(freshAddressPath, splittedCurrencies[currencyId])
+  const njsWallet = await getOrCreateWallet(core, walletName, currencyId, isSegwit, isUnsplit)
   if (isCancelled()) return
   const njsAccount = await njsWallet.getAccount(index)
   if (isCancelled()) return
diff --git a/src/helpers/libcore.js b/src/helpers/libcore.js
index 5f7f20e5..395b3b64 100644
--- a/src/helpers/libcore.js
+++ b/src/helpers/libcore.js
@@ -321,7 +321,7 @@ const createWalletConfig = (core, configMap = {}) => {
   return config
 }
 
-async function getOrCreateWallet(
+export async function getOrCreateWallet(
   core: *,
   walletName: string,
   currencyId: string,