diff --git a/libavcodec/vorbis_enc.c b/libavcodec/vorbis_enc.c
index 3e5d83a170..d9b13384f6 100644
--- a/libavcodec/vorbis_enc.c
+++ b/libavcodec/vorbis_enc.c
@@ -1031,10 +1031,10 @@ static int vorbis_encode_close(AVCodecContext * avccontext)
     if (venc->floors)
         for (i = 0; i < venc->nfloors; i++) {
             int j;
-            av_freep(&venc->floors[i].classes);
             if (venc->floors[i].classes)
                 for (j = 0; j < venc->floors[i].nclasses; j++)
                     av_freep(&venc->floors[i].classes[j].books);
+            av_freep(&venc->floors[i].classes);
             av_freep(&venc->floors[i].partition_to_class);
             av_freep(&venc->floors[i].list);
         }