diff --git a/productMods/WEB-INF/web.xml b/productMods/WEB-INF/web.xml
index 0794edba..f0c61e9b 100644
--- a/productMods/WEB-INF/web.xml
+++ b/productMods/WEB-INF/web.xml
@@ -241,6 +241,15 @@
     <url-pattern>/*</url-pattern>
   </filter-mapping>
 
+  <filter>
+    <filter-name>WebappDaoFactorySDBPrep</filter-name>
+    <filter-class>edu.cornell.mannlib.vitro.webapp.filters.WebappDaoFactorySDBPrep</filter-class>
+  </filter>
+  <filter-mapping>
+    <filter-name>WebappDaoFactorySDBPrep</filter-name>
+    <url-pattern>/*</url-pattern>
+  </filter-mapping>
+
   <filter>
     <filter-name>VitroRequestPrep</filter-name>
     <filter-class>edu.cornell.mannlib.vitro.webapp.filters.VitroRequestPrep</filter-class>