diff --git a/src/root/static/images/persona_sign_in_blue.png b/src/root/static/images/persona_sign_in_blue.png
new file mode 100644
index 00000000..ab88a715
Binary files /dev/null and b/src/root/static/images/persona_sign_in_blue.png differ
diff --git a/src/root/topbar.tt b/src/root/topbar.tt
index 6e3cd264..82af9088 100644
--- a/src/root/topbar.tt
+++ b/src/root/topbar.tt
@@ -127,7 +127,7 @@
       [% WRAPPER makeSubMenu title="Sign in" %]
         <li>
           <a href="#" id="persona-signin">
-            <img src="https://developer.mozilla.org/files/3963/persona_sign_in_blue.png" alt="Sign in with Persona" />
+            <img src="[% c.uri_for("/static/images/persona_sign_in_blue.png") %]" alt="Sign in with Persona" />
           </a>
         </li>
         <li class="divider"></li>