diff --git a/htdocs/admin/system/filecheck.php b/htdocs/admin/system/filecheck.php
index 50b27b30964..212fcc6228a 100644
--- a/htdocs/admin/system/filecheck.php
+++ b/htdocs/admin/system/filecheck.php
@@ -122,7 +122,7 @@ if (dol_is_file($xmlfile)) {
 print '<!-- for a remote target=remote&xmlremote=... -->'."\n";
 if ($enableremotecheck) {
 	print '<input type="radio" name="target" id="checkboxremote" value="remote"'.(GETPOST('target') == 'remote' ? 'checked="checked"' : '').'> <label for="checkboxremote">'.$langs->trans("RemoteSignature").'</label> = ';
-	print '<input name="xmlremote" class="flat minwidth400" value="'.dol_escape_htmltag($xmlremote).'"><br>';
+	print '<input name="xmlremote" class="flat minwidth500" value="'.dol_escape_htmltag($xmlremote).'"><br>';
 } else {
 	print '<input type="radio" name="target" value="remote" disabled="disabled"> '.$langs->trans("RemoteSignature").' = '.dol_escape_htmltag($xmlremote);
 	if (!GETPOST('xmlremote')) {