diff --git a/src/riak_ts.proto b/src/riak_ts.proto
index 655703c9..69627a3d 100644
--- a/src/riak_ts.proto
+++ b/src/riak_ts.proto
@@ -38,6 +38,7 @@ message TsQueryReq {
   optional TsInterpolation query = 1;
   optional bool stream = 2 [default = false];
   optional bytes cover_context = 3; // chopped up coverage plan per-req
+  optional bool allow_qbuf_reuse = 4 [default = false];
 }
 
 message TsQueryResp {