diff --git a/libavcodec/nuv.c b/libavcodec/nuv.c
index d742df3bac..9c765a0f64 100644
--- a/libavcodec/nuv.c
+++ b/libavcodec/nuv.c
@@ -137,6 +137,8 @@ static int codec_reinit(AVCodecContext *avctx, int width, int height,
             c->decomp_buf = ptr;
         ff_rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height,
                               c->lq, c->cq);
+        if (c->pic.data[0])
+            avctx->release_buffer(avctx, &c->pic);
     } else if (quality != c->quality)
         ff_rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height,
                               c->lq, c->cq);