diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 8e880fb155..3e2d60ad03 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -238,6 +238,7 @@ void avfilter_init(void)
     avfilter_register(&vsrc_dummy);
     avfilter_register(&vf_crop);
     avfilter_register(&vf_passthrough);
+    avfilter_register(&vf_slicify);
     avfilter_register(&vo_sdl);
 }