diff --git a/source/sponsor.txt b/source/sponsor.txt
index 0c063698b2d40121a428bc6dc98c5dbbc3e5d897_c291cmNlL3Nwb25zb3IudHh0..02808bac539dc68b6def57023e9e4250f93de8f7_c291cmNlL3Nwb25zb3IudHh0 100644
--- a/source/sponsor.txt
+++ b/source/sponsor.txt
@@ -22,6 +22,7 @@
    <form action="https://www.paypal.com/cgi-bin/webscr" method="post">
    Sponsor numpy implementation in PyPy by the following amount:<br/>
    <input type="text" name="amount"></input>
+   <input type="hidden" name="item_name" value="Sponsor NumPy on PyPy"/>
    <input type="hidden" name="quantity" value="1"/>
    <select name="currency_code">
      <option value="USD" selected="1">USD</option>
diff --git a/sponsor.html b/sponsor.html
index 0c063698b2d40121a428bc6dc98c5dbbc3e5d897_c3BvbnNvci5odG1s..02808bac539dc68b6def57023e9e4250f93de8f7_c3BvbnNvci5odG1s 100644
--- a/sponsor.html
+++ b/sponsor.html
@@ -63,7 +63,8 @@
 <form action="https://www.paypal.com/cgi-bin/webscr" method="post">
 Sponsor numpy implementation in PyPy by the following amount:<br/>
 <input type="text" name="amount"></input>
-<input type="hidden" name="amount" value="1"/>
+<input type="hidden" name="item_name" value="Sponsor NumPy on PyPy"/>
+<input type="hidden" name="quantity" value="1"/>
 <select name="currency_code">
   <option value="USD" selected="1">USD</option>
   <option value="EUR">EUR</option>