@@ -526,7 +526,7 @@ static av_cold void uninit(AVFilterContext *ctx)

     FrameRateContext *s = ctx->priv;

     int i;

-    for (i = s->frst + 1; i < s->last; i++) {

+    for (i = s->frst; i < s->last; i++) {

         if (s->srce[i] && (s->srce[i] != s->srce[i + 1]))

             av_frame_free(&s->srce[i]);

     }