diff --git a/selfdrive/modeld/runners/tfmodel.cc b/selfdrive/modeld/runners/tfmodel.cc
index 1260503fd0..c955e54a77 100644
--- a/selfdrive/modeld/runners/tfmodel.cc
+++ b/selfdrive/modeld/runners/tfmodel.cc
@@ -102,6 +102,9 @@ void TFModel::execute(float *net_input_buf, int buf_size) {
   if (rnn_input_buf != NULL) {
     pwrite(rnn_input_buf, rnn_state_size);
   }
+  if (traffic_convention_input_buf != NULL) {
+    pwrite(traffic_convention_input_buf, traffic_convention_size);
+  }
   pread(output, output_size);
 }