diff --git a/website/page/code/mobile-download.php b/website/page/code/mobile-download.php
index 9608bf1a..9a15e8de 100644
--- a/website/page/code/mobile-download.php
+++ b/website/page/code/mobile-download.php
@@ -4,7 +4,7 @@ include_once ( "apk/ApkParser.php" );
 include_once ( "url/url_to_absolute.php" );
 include_once ( "userscript.php" );
 
-function getMobileVersion($apkfile)
+function getMobileVersion ( $apkfile )
 {
 	$result = Array();
 
@@ -54,7 +54,7 @@ IITC Mobile version <?php print $apk_version; ?>, with IITC version <?php print
 </p>
 
 <p>
-<a style="margin-right: 1em;" onclick="if(track)({track{'mobile','download','$apkfile');}" class="btn btn-large btn-primary" href="<?php print $apkfile; ?>">Download</a> or scan the QR Code
+<a style="margin-right: 1em;" onclick="if(track)({track{'mobile','download','<?php print $apkfile; ?>');}" class="btn btn-large btn-primary" href="<?php print $apkfile; ?>">Download</a> or scan the QR Code
 </p>
 
 </div>