diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 8f90fba53357..0d6a7440a4e2 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4496,6 +4496,19 @@ static void nfsd4_construct_sequence_response(struct nfsd4_session *session,
 		seq->status_flags |= SEQ4_STATUS_ADMIN_STATE_REVOKED;
 }
 
+static bool nfsd4_slots_inuse(struct nfsd4_session *ses, int from)
+{
+	int i;
+
+	for (i = from; i < ses->se_fchannel.maxreqs; i++) {
+		struct nfsd4_slot *slot = xa_load(&ses->se_slots, i);
+
+		if (slot->sl_flags & NFSD4_SLOT_INUSE)
+			return true;
+	}
+	return false;
+}
+
 __be32
 nfsd4_sequence(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 		union nfsd4_op_u *u)
@@ -4575,7 +4588,9 @@ nfsd4_sequence(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 
 	if (session->se_target_maxslots < session->se_fchannel.maxreqs &&
 	    slot->sl_generation == session->se_slot_gen &&
-	    seq->maxslots <= session->se_target_maxslots)
+	    seq->maxslots <= session->se_target_maxslots &&
+	    seq->slotid < session->se_target_maxslots &&
+	    !nfsd4_slots_inuse(session, session->se_target_maxslots))
 		/* Client acknowledged our reduce maxreqs */
 		free_session_slots(session, session->se_target_maxslots);