diff --git a/src/ShopifyApp/Middleware/AuthShop.php b/src/ShopifyApp/Middleware/AuthShop.php
index bc45a7c0..e8bf1736 100644
--- a/src/ShopifyApp/Middleware/AuthShop.php
+++ b/src/ShopifyApp/Middleware/AuthShop.php
@@ -47,7 +47,7 @@ public function handle(Request $request, Closure $next)
 
         // Shop is OK, move on...
         $response = $next($request);
-        if (!$request->ajax()) {
+        if (($request->ajax() || $request->wantsJson() || $request->isJson()) === false) {
             // Request is not AJAX, continue as normal
             if (!$response instanceof Response && !$response instanceof RedirectResponse) {
                 // We need a response object to modify headers
diff --git a/tests/Middleware/AuthShopMiddlewareTest.php b/tests/Middleware/AuthShopMiddlewareTest.php
index 2405ac0b..2fa1f39c 100644
--- a/tests/Middleware/AuthShopMiddlewareTest.php
+++ b/tests/Middleware/AuthShopMiddlewareTest.php
@@ -90,7 +90,7 @@ public function testHeadersForEsdkShouldBeAdjusted()
         Session::put('shopify_domain', $shop->shopify_domain);
 
         // Run the middleware
-        $result = $this->runAuthShop();
+        $result = $this->runAuthShop(null, Request::instance());
 
         // Assert the headers were modified
         $this->assertEquals('CP="Not used"', $result[0]->headers->get('p3p'));
@@ -114,6 +114,23 @@ public function testAjaxCallShouldNotAdjustResponse()
         $this->assertNull($result[0]);
     }
 
+    public function testJsonCallShouldNotAdjustResponse()
+    {
+        // Set a shop
+        $shop = factory(Shop::class)->create();
+        Session::put('shopify_domain', $shop->shopify_domain);
+
+        // Set the request
+        $request = Request::instance();
+        $request->headers->set('content-type', 'application/json');
+
+        // Run the middleware
+        $result = $this->runAuthShop(null, $request);
+
+        // Assert the headers were not modified
+        $this->assertNull($result[0]);
+    }
+
     public function testHeadersForDisabledEsdk()
     {
         // Set a shop
@@ -124,7 +141,7 @@ public function testHeadersForDisabledEsdk()
         Config::set('shopify-app.esdk_enabled', false);
 
         // Run the middleware
-        $result = $this->runAuthShop();
+        $result = $this->runAuthShop(null, Request::instance());
 
         // Assert the headers were not modified
         $this->assertNull($result[0]->headers->get('p3p'));