diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index 6d756a6..04cb6e5 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -2773,8 +2773,10 @@
                                 struct aom_write_bit_buffer *wb) {
   aom_wb_write_literal(wb, cm->base_qindex, QINDEX_BITS);
   write_delta_q(wb, cm->y_dc_delta_q);
-  write_delta_q(wb, cm->uv_dc_delta_q);
-  write_delta_q(wb, cm->uv_ac_delta_q);
+  assert(cm->u_dc_delta_q == cm->v_dc_delta_q);
+  write_delta_q(wb, cm->u_dc_delta_q);
+  assert(cm->u_ac_delta_q == cm->v_ac_delta_q);
+  write_delta_q(wb, cm->u_ac_delta_q);
 #if CONFIG_AOM_QM
   aom_wb_write_bit(wb, cm->using_qmatrix);
   if (cm->using_qmatrix) {