diff --git a/cashtab/extension/public/manifest.json b/cashtab/extension/public/manifest.json
--- a/cashtab/extension/public/manifest.json
+++ b/cashtab/extension/public/manifest.json
@@ -3,7 +3,7 @@
 
     "name": "Cashtab",
     "description": "A browser-integrated eCash wallet from Bitcoin ABC",
-    "version": "3.20.0",
+    "version": "3.20.1",
     "content_scripts": [
         {
             "matches": ["file://*/*", "http://*/*", "https://*/*"],
diff --git a/cashtab/package-lock.json b/cashtab/package-lock.json
--- a/cashtab/package-lock.json
+++ b/cashtab/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "cashtab",
-    "version": "2.20.0",
+    "version": "2.20.1",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "cashtab",
-            "version": "2.20.0",
+            "version": "2.20.1",
             "dependencies": {
                 "@ant-design/icons": "^5.3.0",
                 "@bitgo/utxo-lib": "^9.33.0",
diff --git a/cashtab/package.json b/cashtab/package.json
--- a/cashtab/package.json
+++ b/cashtab/package.json
@@ -1,6 +1,6 @@
 {
     "name": "cashtab",
-    "version": "2.20.0",
+    "version": "2.20.1",
     "private": true,
     "scripts": {
         "start": "node scripts/start.js",
diff --git a/cashtab/src/utils/fixtures/vectors.js b/cashtab/src/utils/fixtures/vectors.js
--- a/cashtab/src/utils/fixtures/vectors.js
+++ b/cashtab/src/utils/fixtures/vectors.js
@@ -56,6 +56,12 @@
                 userLocale: 'fr-FR',
                 returned: '9 999 999 999 999 999,999999999',
             },
+            {
+                description: 'Locale with no thousands separator',
+                decimalizedTokenQty: '6499969.00',
+                userLocale: 'es-ES',
+                returned: '6499969,00',
+            },
         ],
     },
 };
diff --git a/cashtab/src/utils/formatting.js b/cashtab/src/utils/formatting.js
--- a/cashtab/src/utils/formatting.js
+++ b/cashtab/src/utils/formatting.js
@@ -74,10 +74,16 @@
     })[1];
 
     // Get the thousands separator of this locale
-    const localeThousandsSymbol = Number(1000).toLocaleString(userLocale, {
+    const localeThousand = Number(1000).toLocaleString(userLocale, {
         minimumFractionDigits: 0,
         maximumFractionDigits: 0,
-    })[1];
+    });
+
+    // length of '1,000' or '1 000'
+    const LOCALE_HAS_THOUSANDS_LENGTH = 5;
+    const hasThousandSeparator =
+        localeThousand.length === LOCALE_HAS_THOUSANDS_LENGTH;
+    const localeThousandsSymbol = hasThousandSeparator ? localeThousand[1] : '';
 
     // While we support output format in other locales, Cashtab only handles decimalized strings with '.'
     // Split for decimals