diff --git a/src/constants/error-messages.js b/src/constants/error-messages.js
index b63d9cd0..90f6f6f9 100644
--- a/src/constants/error-messages.js
+++ b/src/constants/error-messages.js
@@ -50,7 +50,8 @@ const errorMessages = Object.freeze({
     YEAR_REQUIRED: 'Please select your vehicle year',
     MAKE_REQUIRED: 'Please select your vehicle make',
     MODEL_REQUIRED: 'Please select your vehicle model',
-    STYLE_REQUIRED: 'Please select your vehicle style'
+    STYLE_REQUIRED: 'Please select your vehicle style',
+    MOBILE_LOCATION_REQUIRED: 'Please enter your service address'
 });
 
 export default errorMessages;