diff --git a/lib/proto/attach-form.js b/lib/proto/attach-form.js
index 43ac1a6..3ca881b 100644
--- a/lib/proto/attach-form.js
+++ b/lib/proto/attach-form.js
@@ -11,7 +11,8 @@ var formAction = function(el, event) {
   // Initialize requestOptions
   options.requestOptions = {
     requestUrl: el.getAttribute("action") || window.location.href,
-    requestMethod: el.getAttribute("method") || "GET"
+    requestMethod: el.getAttribute("method") || "GET",
+    requestParams: []
   }
 
   // create a testable virtual link of the form action
@@ -44,20 +45,20 @@ var formAction = function(el, event) {
 
   event.preventDefault()
 
-  var params = []
   for (var elementKey in el.elements) {
     var element = el.elements[elementKey]
     // jscs:disable disallowImplicitTypeConversion
     if (!!element.name && element.attributes !== undefined && element.tagName.toLowerCase() !== "button") {
       // jscs:enable disallowImplicitTypeConversion
       if ((!element.attributes.type || element.attributes.type.value !== "checkbox" && element.attributes.type.value !== "radio") || element.checked) {
-        params.push({name: encodeURIComponent(element.name), value: encodeURIComponent(element.value)})
+        options.requestOptions.requestParams.push({
+          name: encodeURIComponent(element.name),
+          value: encodeURIComponent(element.value)
+        })
       }
     }
   }
 
-  options.requestOptions.requestParams = params
-
   el.setAttribute(attrClick, "submit")
 
   options.triggerElement = el
diff --git a/lib/send-request.js b/lib/send-request.js
index 58ce7fd..f2817b5 100644
--- a/lib/send-request.js
+++ b/lib/send-request.js
@@ -2,6 +2,7 @@ var updateQueryString = require("./util/update-query-string");
 
 module.exports = function(location, options, callback) {
   options = options || {}
+  var queryString
   var requestMethod = (options.requestMethod || "GET").toUpperCase()
   var requestParams = options.requestParams || null
   var requestPayload = null
@@ -29,22 +30,23 @@ module.exports = function(location, options, callback) {
 
   // Prepare the request payload for forms, if available
   if (requestParams && requestParams.length) {
+    // Build query string
+    queryString = (requestParams.map(function(param) {return param.name + "=" + param.value})).join("&")
+
     switch (requestMethod) {
       case "GET":
         // Reset query string to avoid an issue with repeat submissions where checkboxes that were
         // previously checked are incorrectly preserved
         location = location.split("?")[0]
 
-        // Build new query string
-        requestParams.forEach(function(param) {
-          location = updateQueryString(location, param.name, param.value)
-        });
-        break;
+        // Append new query string
+        location += "?" + queryString
+        break
 
       case "POST":
-        // Build payload string
-        requestPayload = (requestParams.map(function(param) {return param.name + "=" + param.value})).join("&")
-        break;
+        // Send query string as request payload
+        requestPayload = queryString
+        break
     }
   }