diff --git a/libavutil/audio_fifo.c b/libavutil/audio_fifo.c
index e4d38e0524..de187104e6 100644
--- a/libavutil/audio_fifo.c
+++ b/libavutil/audio_fifo.c
@@ -48,8 +48,7 @@ void av_audio_fifo_free(AVAudioFifo *af)
         if (af->buf) {
             int i;
             for (i = 0; i < af->nb_buffers; i++) {
-                if (af->buf[i])
-                    av_fifo_free(af->buf[i]);
+                av_fifo_freep(&af->buf[i]);
             }
             av_freep(&af->buf);
         }