diff --git a/tests/test_opus_api.c b/tests/test_opus_api.c
index 2b467810dfacc43f9c06f4654f9334e125f937bf..fa1dabe705ceb05eccd83043d849013b794d83a8 100644
--- a/tests/test_opus_api.c
+++ b/tests/test_opus_api.c
@@ -724,6 +724,7 @@ opus_int32 test_parse(void)
    /*code 0*/
    for(i=0;i<64;i++)
    {
+      packet[0]=i<<2;
       UNDEFINE_FOR_PARSE
       ret=opus_packet_parse(packet,4,&toc,frames,size,&payload_offset);
       cfgs++;