diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 5e23f6fce6..32b2a3611f 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -8631,9 +8631,7 @@ static struct ast_frame *sip_read(struct ast_channel *ast)
 
 	sip_pvt_lock(p);
 	fr = sip_rtp_read(ast, p, &faxdetected);
-	if (fr && fr->frametype != AST_FRAME_NULL) {
-		p->lastrtprx = time(NULL);
-	}
+	p->lastrtprx = time(NULL);
 
 	/* If we detect a CNG tone and fax detection is enabled then send us off to the fax extension */
 	if (faxdetected && ast_test_flag(&p->flags[1], SIP_PAGE2_FAX_DETECT_CNG)) {