diff --git a/rpc_client.go b/rpc_client.go
index aa8c1d0..3d1e7d2 100644
--- a/rpc_client.go
+++ b/rpc_client.go
@@ -106,6 +106,7 @@ func (cli *RPCClient) run() {
 		buf.Reset()
 		cli.Lock(func() bool {
 			Compress(buf, frames)
+			frames = frames[:0]
 			return true
 		})