diff --git a/feds/common_beans.xml b/feds/common_beans.xml
index 6df8dd18..5f676719 100644
--- a/feds/common_beans.xml
+++ b/feds/common_beans.xml
@@ -26,6 +26,7 @@
         This is used in the evaluation of XPath expressions.
     -->
     <util:map id="commonNamespaces" map-class="java.util.HashMap">
+        <entry key="alg"        value="urn:oasis:names:tc:SAML:metadata:algsupport"/>
         <entry key="ds"         value="http://www.w3.org/2000/09/xmldsig#"/>
         <entry key="elab"       value="http://eduserv.org.uk/labels"/>
         <entry key="idpdisc"    value="urn:oasis:names:tc:SAML:profiles:SSO:idp-discovery-protocol"/>