diff --git a/ispdb/hetzner.de b/ispdb/hetzner.de.xml
similarity index 95%
rename from ispdb/hetzner.de
rename to ispdb/hetzner.de.xml
index 0b18748..4c0f38e 100644
--- a/ispdb/hetzner.de
+++ b/ispdb/hetzner.de.xml
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <clientConfig version="1.1">
   <emailProvider id="hetzner.de">
     <domain>your-server.de</domain>
@@ -19,4 +20,3 @@
     </outgoingServer>
   </emailProvider>
 </clientConfig>
-