diff --git a/libavformat/rtp_h264.c b/libavformat/rtp_h264.c
index 9f2c2d5be3..28426b21cf 100644
--- a/libavformat/rtp_h264.c
+++ b/libavformat/rtp_h264.c
@@ -165,7 +165,9 @@ static int h264_handle_packet(RTPDemuxContext * s,
                               const uint8_t * buf,
                               int len)
 {
+#ifdef DEBUG
     h264_rtp_extra_data *data = s->dynamic_protocol_context;
+#endif
     uint8_t nal = buf[0];
     uint8_t type = (nal & 0x1f);
     int result= 0;