diff --git a/ddclient b/ddclient
index 9b1c8a9..319f053 100755
--- a/ddclient
+++ b/ddclient
@@ -1875,7 +1875,7 @@ sub geturl {
     $request .= "/$url HTTP/1.0\n";
     $request .= "Host: $server\n";
 
-    my $auth = encode_base64("${login}:${password}");
+    my $auth = encode_base64("${login}:${password}", "");
     $request .= "Authorization: Basic $auth\n" if $login || $password;
     $request .= "User-Agent: ${program}/${version}\n";
     $request .= "Connection: close\n";