diff --git a/lib/proto/attach-form.js b/lib/proto/attach-form.js
index fa4d6af..ccdd4eb 100644
--- a/lib/proto/attach-form.js
+++ b/lib/proto/attach-form.js
@@ -50,8 +50,23 @@ var formAction = function(el, event) {
     // jscs:disable disallowImplicitTypeConversion
     if (!!element.name && element.attributes !== undefined && element.tagName.toLowerCase() !== "button") {
       // jscs:enable disallowImplicitTypeConversion
-      if ((element.attributes.type !== "checkbox" && element.attributes.type !== "radio") || element.checked) {
-        paramObject.push({name: encodeURIComponent(element.name), value: encodeURIComponent(element.value)})
+      var elementType = "undef"
+      if (element.tagName.toLowerCase() === "input") {
+        if (element.type === "checkbox") {
+          elementType = "checkbox"
+        }
+        else if (element.type === "radio") {
+          elementType = "radio"
+        }
+      }
+      else if (element.tagName.toLowerCase() === "select") {
+        elementType = "select"
+      }
+      if ((elementType !== "checkbox" && elementType !== "radio") || element.checked) {
+        paramObject.push({
+          name: encodeURIComponent(element.name),
+          value: encodeURIComponent(element.value)
+        })
       }
     }
   }