diff --git a/video/video_loopback.cc b/video/video_loopback.cc
index cc1cbd41c9..f3c8a870be 100644
--- a/video/video_loopback.cc
+++ b/video/video_loopback.cc
@@ -341,7 +341,7 @@ void Loopback() {
                      0,  // No min transmit bitrate.
                      flags::FLAG_use_ulpfec,
                      flags::FLAG_use_flexfec,
-                     true,  // Automatic quality scaling.
+                     flags::NumStreams() < 2,  // Automatic quality scaling.
                      flags::Clip(),
                      flags::GetCaptureDevice()};
   params.audio = {flags::FLAG_audio, flags::FLAG_audio_video_sync,