1 files changed, 3 insertions, 1 deletions
diff --git a/libavfilter/af_biquads.c b/libavfilter/af_biquads.c
index b5b258f1b4..a6f9fbca0c 100644
--- a/libavfilter/af_biquads.c
+++ b/libavfilter/af_biquads.c
@@ -401,8 +401,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
         out_buf = buf;
     } else {
         out_buf = ff_get_audio_buffer(inlink, nb_samples);
-        if (!out_buf)
+        if (!out_buf) {
+            av_frame_free(&buf);
             return AVERROR(ENOMEM);
+        }
         av_frame_copy_props(out_buf, buf);
     }