diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index e082320ec5..51ca7a4c79 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -986,7 +986,7 @@ int ff_h264_decode_extradata(H264Context *h)
         cnt = *(p++); // Number of pps
         for (i = 0; i < cnt; i++) {
             nalsize = AV_RB16(p) + 2;
-            if(decode_nal_units(h, p, nalsize)  != nalsize) {
+            if(decode_nal_units(h, p, nalsize) < 0) {
                 av_log(avctx, AV_LOG_ERROR, "Decoding pps %d from avcC failed\n", i);
                 return -1;
             }