diff --git a/src/com/google/enterprise/adaptor/SamlIdentityProvider.java b/src/com/google/enterprise/adaptor/SamlIdentityProvider.java
index a4237ce..852d43c 100644
--- a/src/com/google/enterprise/adaptor/SamlIdentityProvider.java
+++ b/src/com/google/enterprise/adaptor/SamlIdentityProvider.java
@@ -258,6 +258,8 @@
         entityDescriptor = metadata.getPeerEntity();
         roleDescriptor = getFirst(entityDescriptor.getRoleDescriptors(
             SPSSODescriptor.DEFAULT_ELEMENT_NAME));
+      } else {
+        log.log(Level.INFO, "Unknown Peer Entity Id: {0}", peerEntityId);
       }
 
       selector.setSamlRequest(context.getInboundSAMLMessage());