diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 865016ca82..77dae746d7 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -28649,7 +28649,8 @@ static int reload_config(enum channelreloadreason reason)
 		} else if (!strcasecmp(v->name, "use_q850_reason")) {
 			ast_set2_flag(&global_flags[1], ast_true(v->value), SIP_PAGE2_Q850_REASON);
 		} else if (!strcasecmp(v->name, "maxforwards")) {
-			if ((sscanf(v->value, "%30d", &sip_cfg.default_max_forwards) != 1) || (sip_cfg.default_max_forwards < 1)) {
+			if (sscanf(v->value, "%30d", &sip_cfg.default_max_forwards) != 1
+				|| sip_cfg.default_max_forwards < 1 || 255 < sip_cfg.default_max_forwards) {
 				ast_log(LOG_WARNING, "'%s' is not a valid maxforwards value at line %d.  Using default.\n", v->value, v->lineno);
 				sip_cfg.default_max_forwards = DEFAULT_MAX_FORWARDS;
 			}