diff --git a/productMods/WEB-INF/web.xml b/productMods/WEB-INF/web.xml
index 6a037686..88a67979 100644
--- a/productMods/WEB-INF/web.xml
+++ b/productMods/WEB-INF/web.xml
@@ -84,9 +84,11 @@
   <!-- Invokes process to perform updates to align with ontology changes if needed -->
   <!-- Needs to run before submodels are attached and Pellet is set up -->
    
+  <!--  disabling knowledge base update during development of 1.3 migration. sjm 5/20/2011 
   <listener>
      <listener-class>edu.cornell.mannlib.vitro.webapp.servlet.setup.UpdateKnowledgeBase</listener-class>
   </listener>
+  -->
   
   <listener>
     <listener-class>