diff --git a/video/video_stream_encoder.cc b/video/video_stream_encoder.cc
index 2f4c6e9..4390fe3 100644
--- a/video/video_stream_encoder.cc
+++ b/video/video_stream_encoder.cc
@@ -1186,6 +1186,8 @@
       encoder_config_.codec_type == kVideoCodecAV1) {
     // Spatial layers configuration might impose some parity restrictions,
     // thus some cropping might be needed.
+    RTC_CHECK_GE(last_frame_info_->width, codec.width);
+    RTC_CHECK_GE(last_frame_info_->height, codec.height);
     crop_width_ = last_frame_info_->width - codec.width;
     crop_height_ = last_frame_info_->height - codec.height;
     ApplySpatialLayerBitrateLimits(