diff --git a/htdocs/admin/system/filecheck.php b/htdocs/admin/system/filecheck.php
index c637a1fbc64..97fab9658c7 100644
--- a/htdocs/admin/system/filecheck.php
+++ b/htdocs/admin/system/filecheck.php
@@ -101,6 +101,10 @@ if ($xmlremote && !preg_match('/^https?:\/\//', $xmlremote)) {
 	$langs->load("errors");
 	setEventMessages($langs->trans("ErrorURLMustStartWithHttp", $xmlremote), '', 'errors');
 	$error++;
+} elseif ($xmlremote && !preg_match('/\.xml$/', $xmlremote)) {
+	$langs->load("errors");
+	setEventMessages($langs->trans("ErrorURLMustEndWith", $xmlremote, '.xml'), '', 'errors');
+	$error++;
 }
 
 // Test if remote test is ok