diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.c b/src/mod/endpoints/mod_sofia/mod_sofia.c
index ff0ec639f9..85cf28868c 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.c
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.c
@@ -4583,7 +4583,7 @@ static void sip_i_invite(nua_t *nua,
 
 	if (sip->sip_max_forwards) {
 		char max_forwards[32];
-		snprintf(max_forwards, sizeof(max_forwards), "%u", sip->sip_max_forwards->mf_count);
+		snprintf(max_forwards, sizeof(max_forwards), "%lu", sip->sip_max_forwards->mf_count);
 		switch_channel_set_variable(channel, SWITCH_MAX_FORWARDS_VARIABLE, max_forwards);
 	}