diff --git a/cura/plugins/v0/gcodepath.proto b/cura/plugins/v0/gcodepath.proto
index deb5896..49b438d 100644
--- a/cura/plugins/v0/gcodepath.proto
+++ b/cura/plugins/v0/gcodepath.proto
@@ -36,4 +36,5 @@ message GCodePath {
   double width_factor = 5;
   bool spiralize = 6;
   double speed_factor = 7;
+  int64 mesh_id = 8;
 }