diff --git a/src/xenia/kernel/xboxkrnl/xboxkrnl_video.cc b/src/xenia/kernel/xboxkrnl/xboxkrnl_video.cc
index d8e225924..35fd76fe2 100644
--- a/src/xenia/kernel/xboxkrnl/xboxkrnl_video.cc
+++ b/src/xenia/kernel/xboxkrnl/xboxkrnl_video.cc
@@ -180,7 +180,7 @@ void VdQueryVideoMode(X_VIDEO_MODE* video_mode) {
   video_mode->is_interlaced = 0;
   video_mode->is_widescreen =
       ((video_mode->display_width / 4) > (video_mode->display_height / 3));
-  video_mode->is_hi_def = 1;
+  video_mode->is_hi_def = video_mode->display_width >= 0x400;
   video_mode->refresh_rate = 60.0f;
   video_mode->video_standard = 1;  // NTSC
   video_mode->unknown_0x8a = 0x4A;