diff --git a/libavfilter/vf_ssim.c b/libavfilter/vf_ssim.c
index e004b36e76..c6e4fe286a 100644
--- a/libavfilter/vf_ssim.c
+++ b/libavfilter/vf_ssim.c
@@ -496,7 +496,7 @@ static int config_input_ref(AVFilterLink *inlink)
     if (!s->score)
         return AVERROR(ENOMEM);
 
-    for (int t = 0; t < s->nb_threads && s->score; t++) {
+    for (int t = 0; t < s->nb_threads; t++) {
         s->score[t] = av_calloc(s->nb_components, sizeof(*s->score[0]));
         if (!s->score[t])
             return AVERROR(ENOMEM);