diff --git a/client/rpc_client.go b/client/rpc_client.go
index 681e6298..d46fdcd7 100644
--- a/client/rpc_client.go
+++ b/client/rpc_client.go
@@ -89,7 +89,7 @@ func (r *rpcClient) call(ctx context.Context, address string, req Request, resp
 		r.pool.release(address, c, grr)
 	}()
 
-	seq := r.seq
+	seq := atomic.LoadUint64(&r.seq)
 	atomic.AddUint64(&r.seq, 1)
 
 	stream := &rpcStream{