diff --git a/app/Exceptions/Handler.php b/app/Exceptions/Handler.php
index 98ee8323bd..aab0b085da 100644
--- a/app/Exceptions/Handler.php
+++ b/app/Exceptions/Handler.php
@@ -65,6 +65,7 @@ class Handler extends ExceptionHandler
             TokenMismatchException::class,
             HttpException::class,
             SuspiciousOperationException::class,
+            BadHttpHeaderException::class,
         ];
 
     /**
diff --git a/app/Http/Middleware/AcceptHeaders.php b/app/Http/Middleware/AcceptHeaders.php
index 8debaf520d..c7de9c452b 100644
--- a/app/Http/Middleware/AcceptHeaders.php
+++ b/app/Http/Middleware/AcceptHeaders.php
@@ -46,8 +46,8 @@ class AcceptHeaders
     {
         $method = $request->getMethod();
 
-        if ('GET' === $method && !$request->accepts(['application/json', 'application/vdn.api+json'])) {
-            throw new BadHttpHeaderException('Your request must accept either application/json or application/vdn.api+json.');
+        if ('GET' === $method && !$request->accepts(['application/json', 'application/vnd.api+json'])) {
+            throw new BadHttpHeaderException('Your request must accept either application/json or application/vnd.api+json');
         }
         $allowed   = ['application/x-www-form-urlencoded', 'application/json',''];
         $submitted = (string)$request->header('Content-Type');