diff --git a/addons/chan_mobile.c b/addons/chan_mobile.c
index aa537c96ae..3304702d24 100644
--- a/addons/chan_mobile.c
+++ b/addons/chan_mobile.c
@@ -3801,7 +3801,7 @@ static void *do_monitor_phone(void *data)
 {
 	struct mbl_pvt *pvt = (struct mbl_pvt *)data;
 	struct hfp_pvt *hfp = pvt->hfp;
-	char buf[256];
+	char buf[350];
 	int t;
 	at_message_t at_msg;
 	struct msg_queue_entry *entry;