diff --git a/libavfilter/vf_delogo.c b/libavfilter/vf_delogo.c
index 1b8e408210..168af89f90 100644
--- a/libavfilter/vf_delogo.c
+++ b/libavfilter/vf_delogo.c
@@ -256,7 +256,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
     if (!sar.num)
         sar.num = sar.den = 1;
 
-    for (plane = 0; plane < 4 && in->data[plane] && in->linesize[plane]; plane++) {
+    for (plane = 0; plane < desc->nb_components; plane++) {
         int hsub = plane == 1 || plane == 2 ? hsub0 : 0;
         int vsub = plane == 1 || plane == 2 ? vsub0 : 0;