diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 1fc44f7dee..898c94581f 100755
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -11030,7 +11030,7 @@ static int reload_config(void)
 		} else if (!strcasecmp(v->name, "recordhistory")) {
 			recordhistory = ast_true(v->value);
 		} else if (!strcasecmp(v->name, "tos")) {
-			if (sscanf(v->value, "%d", &format) == 1)
+			if (sscanf(v->value, "%i", &format) == 1)
 				tos = format & 0xff;
 			else if (!strcasecmp(v->value, "lowdelay"))
 				tos = IPTOS_LOWDELAY;