diff --git a/source/blender/blenkernel/BKE_scene.h b/source/blender/blenkernel/BKE_scene.h
index 3a0c17b5f31..9d1a23952ad 100644
--- a/source/blender/blenkernel/BKE_scene.h
+++ b/source/blender/blenkernel/BKE_scene.h
@@ -38,6 +38,7 @@ struct Scene;
 struct Object;
 struct Base;
 struct AviCodecData;
+struct QuicktimeCodecData;
 
 void free_avicodecdata(struct AviCodecData *acd);
 void free_qtcodecdata(struct QuicktimeCodecData *acd);