diff --git a/modules/video_coding/codecs/av1/libaom_av1_encoder.cc b/modules/video_coding/codecs/av1/libaom_av1_encoder.cc
index b1c85b8..508a051 100644
--- a/modules/video_coding/codecs/av1/libaom_av1_encoder.cc
+++ b/modules/video_coding/codecs/av1/libaom_av1_encoder.cc
@@ -223,6 +223,12 @@
                         << " on control AV1E_SET_CPUUSED.";
     return WEBRTC_VIDEO_CODEC_ERROR;
   }
+  ret = aom_codec_control(&ctx_, AV1E_SET_ENABLE_CDEF, 1);
+  if (ret != AOM_CODEC_OK) {
+    RTC_LOG(LS_WARNING) << "LibaomAv1Encoder::EncodeInit returned " << ret
+                        << " on control AV1E_SET_ENABLE_CDEF.";
+    return WEBRTC_VIDEO_CODEC_ERROR;
+  }
   ret = aom_codec_control(&ctx_, AV1E_SET_ENABLE_TPL_MODEL, 0);
   if (ret != AOM_CODEC_OK) {
     RTC_LOG(LS_WARNING) << "LibaomAv1Encoder::EncodeInit returned " << ret