diff --git a/libavfilter/vf_zscale.c b/libavfilter/vf_zscale.c
index 6e1d36cb4c..f0309272fa 100644
--- a/libavfilter/vf_zscale.c
+++ b/libavfilter/vf_zscale.c
@@ -859,13 +859,7 @@ static const AVOption zscale_options[] = {
     { NULL }
 };
 
-static const AVClass zscale_class = {
-    .class_name       = "zscale",
-    .item_name        = av_default_item_name,
-    .option           = zscale_options,
-    .version          = LIBAVUTIL_VERSION_INT,
-    .category         = AV_CLASS_CATEGORY_FILTER,
-};
+AVFILTER_DEFINE_CLASS(zscale);
 
 static const AVFilterPad avfilter_vf_zscale_inputs[] = {
     {