diff --git a/src/js/controllers/walletHome.js b/src/js/controllers/walletHome.js
index e58f49c36..5060d3170 100644
--- a/src/js/controllers/walletHome.js
+++ b/src/js/controllers/walletHome.js
@@ -1297,7 +1297,7 @@ angular.module('copayApp.controllers').controller('walletHomeController', functi
 
         confirmDialog.show(msg, function(confirmed) {
           if (confirmed) {
-            self._doSendMax(parseFloat((resp.amount * self.satToUnit).toFixed(8)));
+            self._doSendMax(parseFloat((resp.amount * self.satToUnit).toFixed(self.unitDecimals)));
           } else {
             self.resetForm();
           }