diff --git a/server/notification-providers/promosms.js b/server/notification-providers/promosms.js
index 3ab941699..572a21325 100644
--- a/server/notification-providers/promosms.js
+++ b/server/notification-providers/promosms.js
@@ -12,6 +12,10 @@ class PromoSMS extends NotificationProvider {
             notification.promosmsAllowLongSMS = false;
         }
 
+        //TODO: Add option for enabling special characters. It will decrese message max length from 160 to 70 chars.
+        //Lets remove non ascii char
+        let cleanMsg = msg.replace(/[^\x00-\x7F]/g, "");
+
         try {
             let config = {
                 headers: {
@@ -22,8 +26,8 @@ class PromoSMS extends NotificationProvider {
             };
             let data = {
                 "recipients": [ notification.promosmsPhoneNumber ],
-                //Lets remove non ascii char
-                "text": msg.replace(/[^\x00-\x7F]/g, ""),
+                //Trim message to maximum length of 1 SMS or 4 if we allowed long messages
+                "text": notification.promosmsAllowLongSMS ? cleanMsg.substring(0, 639) : cleanMsg.substring(0, 159),
                 "long-sms": notification.promosmsAllowLongSMS,
                 "type": Number(notification.promosmsSMSType),
                 "sender": notification.promosmsSenderName