diff --git a/core/src/main/java/com/threerings/presents/peer/server/PeerManager.java b/core/src/main/java/com/threerings/presents/peer/server/PeerManager.java
index 203dd4f3a..3f70362ed 100644
--- a/core/src/main/java/com/threerings/presents/peer/server/PeerManager.java
+++ b/core/src/main/java/com/threerings/presents/peer/server/PeerManager.java
@@ -357,7 +357,7 @@ public abstract class PeerManager
         _conmgr.addChainedAuthenticator(
             new ServiceAuthenticator<PeerCreds>(PeerCreds.class, PeerAuthName.class) {
             @Override protected boolean areValid (PeerCreds creds) {
-                return creds.areValid(_sharedSecret);
+                return isAuthenticPeer(creds);
             }
         });
         _clmgr.addSessionFactory(