diff --git a/epan/dissectors/packet-rtp.c b/epan/dissectors/packet-rtp.c

index 1691cbf..9b9af9a 100644

--- a/epan/dissectors/packet-rtp.c

+++ b/epan/dissectors/packet-rtp.c

@@ -879,8 +879,9 @@ srtp_add_address(packet_info *pinfo, address *addr, int port, int other_port,

 	/*

 	 * Update the conversation data.

 	 */

-	/* Free the hash if already exists */

-	rtp_free_hash_dyn_payload(p_conv_data->rtp_dyn_payload);

+	/* Free the hash if a different one already exists */

+	/* if (p_conv_data->rtp_dyn_payload != rtp_dyn_payload) */

+	/*	rtp_free_hash_dyn_payload(p_conv_data->rtp_dyn_payload); */

 	g_strlcpy(p_conv_data->method, setup_method, MAX_RTP_SETUP_METHOD_SIZE+1);

 	p_conv_data->frame_number = setup_frame_number;