diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 6d77bc823a..893bffc4b6 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -12877,7 +12877,7 @@ static void state_notify_build_xml(int state, int full, const char *exten, const
 		break;
 	case DIALOG_INFO_XML: /* SNOM subscribes in this format */
 		ast_str_append(tmp, 0, "<?xml version=\"1.0\"?>\n");
-		ast_str_append(tmp, 0, "<dialog-info xmlns=\"urn:ietf:params:xml:ns:dialog-info\" version=\"%d\" state=\"%s\" entity=\"%s\">\n", p->dialogver, full ? "full" : "partial", mto);
+		ast_str_append(tmp, 0, "<dialog-info xmlns=\"urn:ietf:params:xml:ns:dialog-info\" version=\"%u\" state=\"%s\" entity=\"%s\">\n", p->dialogver, full ? "full" : "partial", mto);
 		if ((state & AST_EXTENSION_RINGING) && sip_cfg.notifyringing) {
 			const char *local_display = exten;
 			char *local_target = ast_strdupa(mto);
@@ -25406,7 +25406,7 @@ static int handle_request_subscribe(struct sip_pvt *p, struct sip_request *req,
 			if (p->subscribed == NONE) { /* if the subscribed field is not already set, and there is no accept header... */
 				transmit_response(p, "489 Bad Event", req);
 				ast_log(LOG_WARNING,"SUBSCRIBE failure: no Accept header: pvt: "
-					"stateid: %d, laststate: %d, dialogver: %d, subscribecont: "
+					"stateid: %d, laststate: %d, dialogver: %u, subscribecont: "
 					"'%s', subscribeuri: '%s'\n",
 					p->stateid,
 					p->laststate,
@@ -25432,7 +25432,7 @@ static int handle_request_subscribe(struct sip_pvt *p, struct sip_request *req,
 			transmit_response(p, mybuf, req);
 			ast_log(LOG_WARNING,"SUBSCRIBE failure: unrecognized format:"
 				"'%s' pvt: subscribed: %d, stateid: %d, laststate: %d,"
-				"dialogver: %d, subscribecont: '%s', subscribeuri: '%s'\n",
+				"dialogver: %u, subscribecont: '%s', subscribeuri: '%s'\n",
 				unknown_acceptheader,
 				(int)p->subscribed,
 				p->stateid,
diff --git a/channels/sip/include/sip.h b/channels/sip/include/sip.h
index 7d6cd2971a..1b3bc1e43e 100644
--- a/channels/sip/include/sip.h
+++ b/channels/sip/include/sip.h
@@ -1117,7 +1117,7 @@ struct sip_pvt {
 	enum subscriptiontype subscribed;   /*!< SUBSCRIBE: Is this dialog a subscription?  */
 	int stateid;                        /*!< SUBSCRIBE: ID for devicestate subscriptions */
 	int laststate;                      /*!< SUBSCRIBE: Last known extension state */
-	int dialogver;                      /*!< SUBSCRIBE: Version for subscription dialog-info */
+	uint32_t dialogver;                 /*!< SUBSCRIBE: Version for subscription dialog-info */
 
 	struct ast_dsp *dsp;                /*!< Inband DTMF or Fax CNG tone Detection dsp */