diff --git a/src/cluster.c b/src/cluster.c
index 4751c78f..f0a6ddeb 100644
--- a/src/cluster.c
+++ b/src/cluster.c
@@ -924,8 +924,10 @@ int clusterProcessPacket(clusterLink *link) {
         if (senderCurrentEpoch > server.cluster->currentEpoch)
             server.cluster->currentEpoch = senderCurrentEpoch;
         /* Update the sender configEpoch if it is publishing a newer one. */
-        if (senderConfigEpoch > sender->configEpoch)
+        if (senderConfigEpoch > sender->configEpoch) {
             sender->configEpoch = senderConfigEpoch;
+            clusterSaveConfigOrDie();
+        }
     }
 
     /* Process packets by type. */