diff --git a/4chan_x.user.js b/4chan_x.user.js
index 7a1ec8f3e..eb6f816e0 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -317,7 +317,11 @@
       }
       type = opts.type, headers = opts.headers, upCallbacks = opts.upCallbacks, data = opts.data;
       r = new XMLHttpRequest();
-      r.open(type || 'get', url, true);
+      if (data) {
+        type || (type = 'post');
+      }
+      type || (type = 'get');
+      r.open(type, url, true);
       for (key in headers) {
         val = headers[key];
         r.setRequestHeader(key, val);
@@ -2064,7 +2068,6 @@
       };
       opts = {
         data: data,
-        type: 'POST',
         upCallbacks: {
           onload: function() {
             return QR.status({
diff --git a/script.coffee b/script.coffee
index eae2559a5..003c05065 100644
--- a/script.coffee
+++ b/script.coffee
@@ -268,7 +268,9 @@ $.extend $,
   ajax: (url, callbacks, opts={}) ->
     {type, headers, upCallbacks, data} = opts
     r = new XMLHttpRequest()
-    r.open type or 'get', url, true
+    type or= 'post' if data
+    type or= 'get'
+    r.open type, url, true
     for key, val of headers
       r.setRequestHeader key, val
     $.extend r, callbacks
@@ -1563,7 +1565,6 @@ QR =
           textContent: 'Connection error, or you are banned.'
     opts =
       data: data
-      type: 'POST'
       upCallbacks:
         onload: ->
           # Upload done, waiting for response.