diff --git a/update.rdf b/update.rdf
index 435db7047..0eae94ea7 100644
--- a/update.rdf
+++ b/update.rdf
@@ -13,7 +13,7 @@
               <id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</id>
               <minVersion>2.0a1+</minVersion>
               <maxVersion>3.0+</maxVersion>
-              <updateLink>http://chnm.gmu.edu/firefoxscholar/download/scholar.xpi</updateLink>
+              <updateLink>http://chnm.gmu.edu/firefoxscholar/download/zotero.xpi</updateLink>
             </RDF:Description>
           </targetApplication>
         </RDF:Description>
@@ -22,19 +22,19 @@
   </updates>
 </RDF:Description>
 
-<!-- This is just to accommodate users of the alpha before the guid changed -->
+<!-- This will disable old versions with a blank extension -->
 <RDF:Description about="urn:mozilla:extension:scholar@chnm.gmu.edu">
   <updates>
     <RDF:Seq>
       <RDF:li>
         <RDF:Description>
-          <version>1.0b1.SVN</version>
+          <version>1.0a1.SVN</version>
           <targetApplication>
             <RDF:Description>
               <id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</id>
               <minVersion>2.0a1+</minVersion>
               <maxVersion>3.0+</maxVersion>
-              <updateLink>http://chnm.gmu.edu/firefoxscholar/download/scholar.xpi</updateLink>
+              <updateLink>http://chnm.gmu.edu/firefoxscholar/download/scholar-dev.xpi</updateLink>
             </RDF:Description>
           </targetApplication>
         </RDF:Description>