diff --git a/modules/rtp_rtcp/source/video_rtp_depacketizer_vp8.h b/modules/rtp_rtcp/source/video_rtp_depacketizer_vp8.h
index a7573993f7..3d7cb3291d 100644
--- a/modules/rtp_rtcp/source/video_rtp_depacketizer_vp8.h
+++ b/modules/rtp_rtcp/source/video_rtp_depacketizer_vp8.h
@@ -25,7 +25,7 @@ class VideoRtpDepacketizerVp8 : public VideoRtpDepacketizer {
  public:
   VideoRtpDepacketizerVp8() = default;
   VideoRtpDepacketizerVp8(const VideoRtpDepacketizerVp8&) = delete;
-  VideoRtpDepacketizerVp8& operator=(VideoRtpDepacketizerVp8&) = delete;
+  VideoRtpDepacketizerVp8& operator=(const VideoRtpDepacketizerVp8&) = delete;
   ~VideoRtpDepacketizerVp8() override = default;
 
   // Parses vp8 rtp payload descriptor.
diff --git a/modules/rtp_rtcp/source/video_rtp_depacketizer_vp9.h b/modules/rtp_rtcp/source/video_rtp_depacketizer_vp9.h
index c622cbc75e..4bb358a15f 100644
--- a/modules/rtp_rtcp/source/video_rtp_depacketizer_vp9.h
+++ b/modules/rtp_rtcp/source/video_rtp_depacketizer_vp9.h
@@ -25,7 +25,7 @@ class VideoRtpDepacketizerVp9 : public VideoRtpDepacketizer {
  public:
   VideoRtpDepacketizerVp9() = default;
   VideoRtpDepacketizerVp9(const VideoRtpDepacketizerVp9&) = delete;
-  VideoRtpDepacketizerVp9& operator=(VideoRtpDepacketizerVp9&) = delete;
+  VideoRtpDepacketizerVp9& operator=(const VideoRtpDepacketizerVp9&) = delete;
   ~VideoRtpDepacketizerVp9() override = default;
 
   // Parses vp9 rtp payload descriptor.