diff --git a/test/rtp.c b/test/rtp.c
index 5f37ed1b3..8846d94f4 100644
--- a/test/rtp.c
+++ b/test/rtp.c
@@ -636,14 +636,12 @@ int test_rtcp_twcc(void)
 	};
 
 	struct mbuf *buf = mbuf_alloc(sizeof(packets));
+	if (!buf)
+		return ENOMEM;
 
 	struct rtcp_msg *msg = NULL;
 	int err = 0;
 
-	if (!buf)
-		return ENOMEM;
-
-	mbuf_rewind(buf);
 	mbuf_write_mem(buf, packets, sizeof(packets));
 	mbuf_set_pos(buf, 0);