diff --git a/libavcodec/cbs_av1.h b/libavcodec/cbs_av1.h
index b66a09c389..614a0bf108 100644
--- a/libavcodec/cbs_av1.h
+++ b/libavcodec/cbs_av1.h
@@ -87,8 +87,8 @@ typedef struct AV1RawSequenceHeader {
     uint8_t  seq_level_idx[AV1_MAX_OPERATING_POINTS];
     uint8_t  seq_tier[AV1_MAX_OPERATING_POINTS];
     uint8_t  decoder_model_present_for_this_op[AV1_MAX_OPERATING_POINTS];
-    uint8_t  decoder_buffer_delay[AV1_MAX_OPERATING_POINTS];
-    uint8_t  encoder_buffer_delay[AV1_MAX_OPERATING_POINTS];
+    uint32_t decoder_buffer_delay[AV1_MAX_OPERATING_POINTS];
+    uint32_t encoder_buffer_delay[AV1_MAX_OPERATING_POINTS];
     uint8_t  low_delay_mode_flag[AV1_MAX_OPERATING_POINTS];
     uint8_t  initial_display_delay_present_for_this_op[AV1_MAX_OPERATING_POINTS];
     uint8_t  initial_display_delay_minus_1[AV1_MAX_OPERATING_POINTS];