diff --git a/modules/video_coding/codecs/vp9/libvpx_vp9_encoder.cc b/modules/video_coding/codecs/vp9/libvpx_vp9_encoder.cc
index e26169fd3d..b73fd100cf 100644
--- a/modules/video_coding/codecs/vp9/libvpx_vp9_encoder.cc
+++ b/modules/video_coding/codecs/vp9/libvpx_vp9_encoder.cc
@@ -836,6 +836,8 @@ int LibvpxVp9Encoder::InitAndSetControlSettings(const VideoCodec* inst) {
       // 1:2 scaling in each dimension.
       svc_params_.scaling_factor_num[i] = scaling_factor_num;
       svc_params_.scaling_factor_den[i] = 256;
+      if (inst->mode != VideoCodecMode::kScreensharing)
+        scaling_factor_num /= 2;
     }
   }