diff --git a/lib/core/amount_validator.dart b/lib/core/amount_validator.dart
index 20008e357..0f27a1331 100644
--- a/lib/core/amount_validator.dart
+++ b/lib/core/amount_validator.dart
@@ -73,7 +73,7 @@ class DecimalAmountValidator extends TextValidator {
         );
 
   static String _pattern(Currency currency) =>
-      '^([0-9]+([.\,][0-9]{1,${currency.decimals})?|[.\,][0-9]{1,${currency.decimals}})\$';
+      '^([0-9]+([.\,][0-9]{1,${currency.decimals}})?|[.\,][0-9]{1,${currency.decimals}})\$';
 }
 
 class AllAmountValidator extends TextValidator {