diff --git a/addon/adapters/rest.js b/addon/adapters/rest.js
index 91d82a70d26..25eaafc8d8d 100644
--- a/addon/adapters/rest.js
+++ b/addon/adapters/rest.js
@@ -1361,7 +1361,7 @@ if (isEnabled('ds-improved-ajax')) {
       hash.context = this;
 
       if (request.data) {
-        if (request.type !== 'GET') {
+        if (request.method !== 'GET') {
           hash.contentType = 'application/json; charset=utf-8';
           hash.data = JSON.stringify(request.data);
         } else {
diff --git a/tests/integration/adapter/rest-adapter-test.js b/tests/integration/adapter/rest-adapter-test.js
index c6732bccdc0..0343dd98662 100644
--- a/tests/integration/adapter/rest-adapter-test.js
+++ b/tests/integration/adapter/rest-adapter-test.js
@@ -2635,4 +2635,25 @@ if (isEnabled('ds-improved-ajax')) {
       });
     }, /RESTAdapter#ajaxOptions has been deprecated/)
   });
+
+  test("_requestToJQueryAjaxHash works correctly for GET requests - GH-4445", function(assert) {
+    let done = assert.async();
+    let server = new Pretender();
+
+    server.get('/posts/1', function(request) {
+      assert.equal(request.url, "/posts/1", "no query param is added to the GET request");
+
+      return [201, { "Content-Type": "application/json" }, JSON.stringify({ post: { id: 1 } })];
+    });
+
+    run(function() {
+      let post = store.findRecord('post', 1);
+
+      post.then(function() {
+        server.shutdown();
+        done();
+      });
+    });
+  });
+
 }