diff --git a/libavfilter/af_acrossover.c b/libavfilter/af_acrossover.c
index 3ccc4d72f6..b1a1155c29 100644
--- a/libavfilter/af_acrossover.c
+++ b/libavfilter/af_acrossover.c
@@ -314,6 +314,7 @@ static av_cold void uninit(AVFilterContext *ctx)
     int i;
 
     av_freep(&s->splits);
+    av_freep(&s->xover);
 
     for (i = 0; i < ctx->nb_outputs; i++)
         av_freep(&ctx->output_pads[i].name);