diff --git a/src/cluster_migrateslots.c b/src/cluster_migrateslots.c
index 380df3df3..6042ee43c 100644
--- a/src/cluster_migrateslots.c
+++ b/src/cluster_migrateslots.c
@@ -2557,6 +2557,13 @@ void clusterCommandSyncSlotsAck(client *c) {
     }
 }
 
+void clusterCommandSyncSlotsCapa(client *c) {
+    UNUSED(c);
+    /* As of now there are no supported capa fields. We ignore unknown CAPA
+     * fields. */
+    return;
+}
+
 /* Sent by either the target or the source as a control message for progressing
  * with slot import. */
 void clusterCommandSyncSlots(client *c) {
@@ -2604,6 +2611,11 @@ void clusterCommandSyncSlots(client *c) {
         clusterCommandSyncSlotsAck(c);
         return;
     }
+    if (!strcasecmp(c->argv[2]->ptr, "capa")) {
+        /* CLUSTER SYNCSLOTS CAPA <field> [<field>...] */
+        clusterCommandSyncSlotsCapa(c);
+        return;
+    }
     if (c->slot_migration_job &&
         isSlotMigrationJobInProgress(c->slot_migration_job)) {
         serverLog(LL_WARNING, "Received unknown SYNCSLOTS subcommand from "