diff --git a/lib/TwilioSMSBot.js b/lib/TwilioSMSBot.js
index 5a7b92d1b..eb96105d8 100644
--- a/lib/TwilioSMSBot.js
+++ b/lib/TwilioSMSBot.js
@@ -143,7 +143,7 @@ function TwilioSMS(configuration) {
         platform_message.from = configuration.twilio_number;
         platform_message.to = message.channel;
 
-        if (message.hasOwnProperty('medaUrl')) {
+        if (message.hasOwnProperty('mediaUrl')) {
             platform_message.mediaUrl = message.mediaUrl;
         }