diff --git a/productMods/WEB-INF/web.xml b/productMods/WEB-INF/web.xml
index e3962e44..13dccd76 100644
--- a/productMods/WEB-INF/web.xml
+++ b/productMods/WEB-INF/web.xml
@@ -91,6 +91,17 @@
     <url-pattern>/*</url-pattern>
   </filter-mapping>
 
+  <!-- If language support is enabled, this must not precede the LocaleSelectionFilter -->
+  <filter>
+    <description>Recognize conditional requests, and generate Cache-Control headers.</description>
+    <filter-name>Caching Response filter</filter-name>
+    <filter-class>edu.cornell.mannlib.vitro.webapp.filters.CachingResponseFilter</filter-class>
+  </filter>
+  <filter-mapping>
+    <filter-name>Caching Response filter</filter-name>
+    <url-pattern>/*</url-pattern>
+  </filter-mapping>
+
   <filter>
     <filter-name>JSession Strip Filter</filter-name>
     <filter-class>edu.cornell.mannlib.vitro.webapp.filters.JSessionStripFilter</filter-class>