diff --git a/api/video/encoded_frame.cc b/api/video/encoded_frame.cc
index 37da35f047..a0ec1d63f5 100644
--- a/api/video/encoded_frame.cc
+++ b/api/video/encoded_frame.cc
@@ -15,5 +15,7 @@ namespace video_coding {
 
 bool EncodedFrame::delayed_by_retransmission() const { return 0; }
 
+uint32_t EncodedFrame::Timestamp() const { return timestamp; }
+
 }  // namespace video_coding
 }  // namespace webrtc
diff --git a/api/video/encoded_frame.h b/api/video/encoded_frame.h
index 1e919d0077..8bfa61e2cc 100644
--- a/api/video/encoded_frame.h
+++ b/api/video/encoded_frame.h
@@ -59,7 +59,7 @@ class EncodedFrame : public webrtc::VCMEncodedFrame {
   virtual bool GetBitstream(uint8_t* destination) const = 0;
 
   // The capture timestamp of this frame.
-  virtual uint32_t Timestamp() const = 0;
+  virtual uint32_t Timestamp() const;
 
   // When this frame was received.
   virtual int64_t ReceivedTime() const = 0;