diff --git a/common/rfb/encoders/FFMPEGVAAPIEncoder.cxx b/common/rfb/encoders/FFMPEGVAAPIEncoder.cxx
index 57576f0..4fe9dab 100644
--- a/common/rfb/encoders/FFMPEGVAAPIEncoder.cxx
+++ b/common/rfb/encoders/FFMPEGVAAPIEncoder.cxx
@@ -264,7 +264,7 @@ namespace rfb {
         os->writeU8(pkt->flags & AV_PKT_FLAG_KEY);
         write_compact(os, pkt->size);
         os->writeBytes(&pkt->data[0], pkt->size);
-        vlog.debug("Frame size:  %d", pkt->size);
+        vlog.debug("Screen id %d, codec %d, frame size:  %d", layout.id, msg_codec_id, pkt->size);
 
         ffmpeg.av_packet_unref(pkt);
     }
diff --git a/common/rfb/encoders/SoftwareEncoder.cxx b/common/rfb/encoders/SoftwareEncoder.cxx
index 2076df8..9130ad7 100644
--- a/common/rfb/encoders/SoftwareEncoder.cxx
+++ b/common/rfb/encoders/SoftwareEncoder.cxx
@@ -124,6 +124,7 @@ namespace rfb {
         os->writeU8(pkt->flags & AV_PKT_FLAG_KEY);
         write_compact(os, pkt->size);
         os->writeBytes(&pkt->data[0], pkt->size);
+        vlog.debug("Screen id %d, codec %d, frame size:  %d", layout.id, msg_codec_id, pkt->size);
 
         ffmpeg.av_packet_unref(pkt);
     }