diff --git a/libavutil/stereo3d.h b/libavutil/stereo3d.h
index 751d70b49a..3aab959b79 100644
--- a/libavutil/stereo3d.h
+++ b/libavutil/stereo3d.h
@@ -20,6 +20,7 @@
 
 /**
  * @file
+ * @ingroup lavu_video_stereo3d
  * Stereoscopic video
  */