diff --git a/web/cashtab/src/components/Common/Ticker.js b/web/cashtab/src/components/Common/Ticker.js
--- a/web/cashtab/src/components/Common/Ticker.js
+++ b/web/cashtab/src/components/Common/Ticker.js
@@ -11,7 +11,7 @@
     prefixes: ['bitcoincash', 'ecash'],
     coingeckoId: 'bitcoin-cash-abc-2',
     defaultFee: 5.01,
-    dust: 0.00001, // The minimum amount of BCHA that can be sent by the app
+    dust: '0.00000546', // The minimum amount of BCHA that can be sent by the app
     blockExplorerUrl: 'https://explorer.bitcoinabc.org',
     blockExplorerUrlTestnet: 'https://texplorer.bitcoinabc.org',
     tokenName: 'Bitcoin ABC SLP',
diff --git a/web/cashtab/src/hooks/__tests__/useBCH.test.js b/web/cashtab/src/hooks/__tests__/useBCH.test.js
--- a/web/cashtab/src/hooks/__tests__/useBCH.test.js
+++ b/web/cashtab/src/hooks/__tests__/useBCH.test.js
@@ -7,6 +7,7 @@
 import BCHJS from '@psf/bch-js'; // TODO: should be removed when external lib not needed anymore
 import { currency } from '../../components/Common/Ticker';
 import sendBCH from '../__mocks__/sendBCH';
+import BigNumber from 'bignumber.js';
 
 describe('useBCH hook', () => {
     it('gets Rest Api Url on testnet', () => {
@@ -159,7 +160,11 @@
             .mockResolvedValue(expectedTxId);
         const failedSendBch = sendBch(BCH, wallet, utxos, {
             addresses,
-            values: [0.00000546 - 0.00000001],
+            values: [
+                new BigNumber(currency.dust)
+                    .minus(new BigNumber('0.00000001'))
+                    .toString(),
+            ],
         });
         expect(failedSendBch).rejects.toThrow(new Error('dust'));
         const nullValuesSendBch = await sendBch(BCH, wallet, utxos, {
diff --git a/web/cashtab/src/hooks/useBCH.js b/web/cashtab/src/hooks/useBCH.js
--- a/web/cashtab/src/hooks/useBCH.js
+++ b/web/cashtab/src/hooks/useBCH.js
@@ -427,7 +427,7 @@
             );
 
             // If user is attempting to send less than minimum accepted by the backend
-            if (value.lt(new BigNumber('0.00000546'))) {
+            if (value.lt(new BigNumber(currency.dust))) {
                 // Throw the same error given by the backend attempting to broadcast such a tx
                 throw new Error('dust');
             }