diff --git a/src/hwenc_v4l2/v4l2_h264_encoder.cpp b/src/hwenc_v4l2/v4l2_h264_encoder.cpp
index 8b164943..5b33eea0 100644
--- a/src/hwenc_v4l2/v4l2_h264_encoder.cpp
+++ b/src/hwenc_v4l2/v4l2_h264_encoder.cpp
@@ -309,7 +309,7 @@ int32_t V4L2H264Encoder::SendFrame(const webrtc::VideoFrame& frame,
   encoded_image_._encodedHeight = frame.height();
   encoded_image_.capture_time_ms_ = frame.render_time_ms();
   encoded_image_.ntp_time_ms_ = frame.ntp_time_ms();
-  encoded_image_.SetRtpTimestamp(frame.timestamp());
+  encoded_image_.SetRtpTimestamp(frame.rtp_timestamp());
   encoded_image_.rotation_ = frame.rotation();
   encoded_image_.SetColorSpace(frame.color_space());
   encoded_image_._frameType = is_key_frame
diff --git a/src/sora-cpp-sdk/src/hwenc_nvcodec/nvcodec_video_encoder.cpp b/src/sora-cpp-sdk/src/hwenc_nvcodec/nvcodec_video_encoder.cpp
index c67651fe..2e09078b 100644
--- a/src/sora-cpp-sdk/src/hwenc_nvcodec/nvcodec_video_encoder.cpp
+++ b/src/sora-cpp-sdk/src/hwenc_nvcodec/nvcodec_video_encoder.cpp
@@ -352,7 +352,7 @@ int32_t NvCodecVideoEncoderImpl::Encode(
             ? webrtc::VideoContentType::SCREENSHARE
             : webrtc::VideoContentType::UNSPECIFIED;
     encoded_image_.timing_.flags = webrtc::VideoSendTiming::kInvalid;
-    encoded_image_.SetRtpTimestamp(frame.timestamp());
+    encoded_image_.SetRtpTimestamp(frame.rtp_timestamp());
     encoded_image_.ntp_time_ms_ = frame.ntp_time_ms();
     encoded_image_.capture_time_ms_ = frame.render_time_ms();
     encoded_image_.rotation_ = frame.rotation();