diff --git a/example.php b/example.php
index 94ded47..988ad06 100644
--- a/example.php
+++ b/example.php
@@ -1,4 +1,5 @@
 <?php
+header('Content-Type: text/plain');
 include_once("lib/GoogleAuthenticator.php");
 
 $secret = 'XVQ2UIGO75XRUKJO';
@@ -25,4 +26,4 @@
 
 print "The QR Code for this secret (to scan with the Google Authenticator App: \n";
 print $g->getURL('chregu','example.org',$secret);
-print "\n";
\ No newline at end of file
+print "\n";
diff --git a/lib/GoogleAuthenticator.php b/lib/GoogleAuthenticator.php
index 344c034..7343b04 100644
--- a/lib/GoogleAuthenticator.php
+++ b/lib/GoogleAuthenticator.php
@@ -66,7 +66,7 @@ protected  function hashToInt($bytes, $start) {
     public function getUrl($user, $hostname, $secret) {
         $url =  sprintf("otpauth://totp/%s@%s?secret=%s", $user, $hostname, $secret);
         $encoder = "https://www.google.com/chart?chs=200x200&chld=M|0&cht=qr&chl=";
-        $encoderURL = sprintf( "%sotpauth://totp/%s@%s&secret=%s",$encoder, $user, $hostname, $secret);
+        $encoderURL = sprintf( "%sotpauth://totp/%s@%s%ssecret=%s",$encoder, $user, $hostname, '%3F', $secret);
         
         return $encoderURL;