diff --git a/src/switch_rtp.c b/src/switch_rtp.c
index 1d8d9e648a..391ae9019f 100644
--- a/src/switch_rtp.c
+++ b/src/switch_rtp.c
@@ -817,7 +817,7 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
 
 	/* RFC2833 ... TBD try harder to honor the duration etc.*/
 	if (*payload_type == 101) {
-		unsigned char *packet = rtp_session->recv_msg.body;
+		unsigned char *packet = (unsigned char *) rtp_session->recv_msg.body;
 		int end = packet[1]&0x80;
 		int duration = (packet[2]<<8) + packet[3];
 		char key = switch_rfc2833_to_char(packet[0]);