diff --git a/build.xml b/build.xml
index 6180d9437..0e028eedc 100644
--- a/build.xml
+++ b/build.xml
@@ -108,6 +108,7 @@
             compressionlevel="9" />
 
         <ant target="installerexe" />
+		<checksum file="itoopieinstall.exe" algorithm="SHA-512" fileext=".sha512"/>
     </target>
     <target name="installerexe">
         <!--<condition property="noExe">
diff --git a/www-itoopie.i2p/files/I2PControl-update.xpi2p b/www-itoopie.i2p/files/I2PControl-update.xpi2p
index f0da72c7d..1e1d7e195 100644
Binary files a/www-itoopie.i2p/files/I2PControl-update.xpi2p and b/www-itoopie.i2p/files/I2PControl-update.xpi2p differ
diff --git a/www-itoopie.i2p/files/I2PControl.xpi2p b/www-itoopie.i2p/files/I2PControl.xpi2p
index 6a6d312c8..d12ee850b 100644
Binary files a/www-itoopie.i2p/files/I2PControl.xpi2p and b/www-itoopie.i2p/files/I2PControl.xpi2p differ
diff --git a/www-itoopie.i2p/files/itoopieinstall.exe b/www-itoopie.i2p/files/itoopieinstall.exe
index b1cec8e62..7b3854ec6 100755
Binary files a/www-itoopie.i2p/files/itoopieinstall.exe and b/www-itoopie.i2p/files/itoopieinstall.exe differ
diff --git a/www-itoopie.i2p/index.html b/www-itoopie.i2p/index.html
index 9b7970506..f803a5fde 100644
--- a/www-itoopie.i2p/index.html
+++ b/www-itoopie.i2p/index.html
@@ -72,11 +72,11 @@ Other features include setting network ports and choosing how much bandwidth to
                         </figure>
                         
                         <p>Before running itoopie, <b>I2PControl needs to be installed</b>. Instruction can be found <a href="#installation">below</a>.</p>
-                        <p>itoopie can be downloaded from here, <a href="files/itoopieinstall.exe">itoopieinstall.exe</a></p>
+                        <p>itoopie can be downloaded from here, <a href="files/itoopieinstall.exe">itoopieinstall.exe</a>, <a href="files/itoopieinstall.exe.sha512">checksum</a>.</p>
 						<p>The installer can be run by opening <tt>itoopieinstall.exe</tt> or running <tt>java -jar itoopieinstall.exe</tt> (yes, really).</p>
 						<p>The default port for I2PControl is <tt>7650</tt>, the default password is <tt>itoopie</tt>. 
 These settings can easily be restored by shutting down <a href="http://i2p2.de">I2P</a> and deleting a file called I2PControl.conf. 
-<br>
+<br><br>
 On Windows the file can be found in <br><tt>C:\Users\**username**\AppData\Roaming\I2P\plugins\I2PControl\</tt>
 <br>
 On Unix (Linux, Mac OSX and *BSD) the file will be found in <br><tt>~/.i2p/plugins/I2PControl/</tt>