diff --git a/api/video_codecs/sdp_video_format.cc b/api/video_codecs/sdp_video_format.cc
index 9f19602f21..909904c19c 100644
--- a/api/video_codecs/sdp_video_format.cc
+++ b/api/video_codecs/sdp_video_format.cc
@@ -20,6 +20,8 @@ SdpVideoFormat::SdpVideoFormat(const std::string& name,
 
 SdpVideoFormat::SdpVideoFormat(const SdpVideoFormat&) = default;
 SdpVideoFormat::SdpVideoFormat(SdpVideoFormat&&) = default;
+SdpVideoFormat& SdpVideoFormat::operator=(const SdpVideoFormat&) = default;
+SdpVideoFormat& SdpVideoFormat::operator=(SdpVideoFormat&&) = default;
 
 SdpVideoFormat::~SdpVideoFormat() = default;
 
diff --git a/api/video_codecs/sdp_video_format.h b/api/video_codecs/sdp_video_format.h
index eae06cded1..c25b857fde 100644
--- a/api/video_codecs/sdp_video_format.h
+++ b/api/video_codecs/sdp_video_format.h
@@ -25,6 +25,8 @@ struct SdpVideoFormat {
   SdpVideoFormat(const std::string& name, const Parameters& parameters);
   SdpVideoFormat(const SdpVideoFormat&);
   SdpVideoFormat(SdpVideoFormat&&);
+  SdpVideoFormat& operator=(const SdpVideoFormat&);
+  SdpVideoFormat& operator=(SdpVideoFormat&&);
 
   ~SdpVideoFormat();