diff --git a/vk_video_encoder/libs/VkVideoEncoder/VkEncoderConfigAV1.h b/vk_video_encoder/libs/VkVideoEncoder/VkEncoderConfigAV1.h
index 39c3e8f..f4e3e8d 100644
--- a/vk_video_encoder/libs/VkVideoEncoder/VkEncoderConfigAV1.h
+++ b/vk_video_encoder/libs/VkVideoEncoder/VkEncoderConfigAV1.h
@@ -117,6 +117,8 @@ struct EncoderConfigAV1 : public EncoderConfig {
 
     virtual bool InitRateControl() override;
 
+    virtual uint8_t GetMaxBFrameCount() { return  static_cast<uint8_t>(av1EncodeCapabilities.maxBidirectionalCompoundReferenceCount); }
+
     bool GetRateControlParameters(VkVideoEncodeRateControlInfoKHR* rcInfo,
                                   VkVideoEncodeRateControlLayerInfoKHR* rcLayerInfo,
                                   VkVideoEncodeAV1RateControlInfoKHR* rcInfoAV1,