diff --git a/libavfilter/vf_guided.c b/libavfilter/vf_guided.c
index 86c0db5032..20c142337a 100644
--- a/libavfilter/vf_guided.c
+++ b/libavfilter/vf_guided.c
@@ -413,7 +413,7 @@ static const AVFilterPad guided_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_vf_guided = {
+const AVFilter ff_vf_guided = {
     .name            = "guided",
     .description     = NULL_IF_CONFIG_SMALL("Apply Guided filter."),
     .init            = init,