--- a/b2g/chrome/content/forms.js
+++ b/b2g/chrome/content/forms.js
@@ -450,25 +450,26 @@ function getJSON(element) {
   let value = element.value || ""
 
   // Treat contenteditble element as a special text field
   if (isContentEditable(element)) {
     type = "text";
     value = element.textContent;
   }
 
-  // Until the input type=date/datetime/time have been implemented
+  // Until the input type=date/datetime/range have been implemented
   // let's return their real type even if the platform returns 'text'
   let attributeType = element.getAttribute("type") || "";
 
   if (attributeType) {
     var typeLowerCase = attributeType.toLowerCase(); 
     switch (typeLowerCase) {
       case "datetime":
       case "datetime-local":
+      case "range":
         type = typeLowerCase;
         break;
     }
   }
 
   // Gecko has some support for @inputmode but behind a preference and
   // it is disabled by default.
   // Gaia is then using @x-inputmode has its proprietary way to set