diff --git a/templates/backOffice/default/coupon/type-fragments/remove-x-percent.html b/templates/backOffice/default/coupon/type-fragments/remove-x-percent.html
index 7cd461a48..4c7c8d9d9 100644
--- a/templates/backOffice/default/coupon/type-fragments/remove-x-percent.html
+++ b/templates/backOffice/default/coupon/type-fragments/remove-x-percent.html
@@ -2,7 +2,7 @@
 <div class="form-group input-{$fieldId}">
     <label for="{$fieldId}" class="control-label">{$label}</label>
     <div class="input-group">
-        <input id="{$fieldId}" class="form-control" name="[$fieldName][{$fieldId}]" type="text" value="{$value}"/>
+        <input id="{$fieldId}" class="form-control" name="{$fieldName}[{$fieldId}]" type="text" value="{$value}"/>
         <div class="input-group-addon">%</div>
     </div>
 </div>