diff --git a/src/Pecee/Http/Input/InputHandler.php b/src/Pecee/Http/Input/InputHandler.php
index bf99881..13bfe5c 100644
--- a/src/Pecee/Http/Input/InputHandler.php
+++ b/src/Pecee/Http/Input/InputHandler.php
@@ -71,7 +71,7 @@ class InputHandler
         /* Parse post requests */
         $this->originalPost = $_POST;
 
-        if (\in_array($this->request->getMethod(), Request::$requestTypesPost, false) === true) {
+        if ($this->request->isPostBack() === true) {
 
             $contents = file_get_contents('php://input');
 
diff --git a/src/Pecee/Http/Middleware/BaseCsrfVerifier.php b/src/Pecee/Http/Middleware/BaseCsrfVerifier.php
index f137504..392bcf9 100644
--- a/src/Pecee/Http/Middleware/BaseCsrfVerifier.php
+++ b/src/Pecee/Http/Middleware/BaseCsrfVerifier.php
@@ -63,7 +63,7 @@ class BaseCsrfVerifier implements IMiddleware
      */
     public function handle(Request $request): void
     {
-        if ($this->skip($request) === false && \in_array($request->getMethod(), Request::$requestTypesPost, true) === true) {
+        if ($this->skip($request) === false && $request->isPostBack() === true) {
 
             $token = $request->getInputHandler()->value(
                 static::POST_KEY,
diff --git a/src/Pecee/Http/Request.php b/src/Pecee/Http/Request.php
index 04e69b5..aab2ddb 100644
--- a/src/Pecee/Http/Request.php
+++ b/src/Pecee/Http/Request.php
@@ -363,13 +363,13 @@ class Request
     }
 
     /**
-     * Returns true when request-type is post.
+     * Returns true when request-method is type that could contain data in the page body.
      * 
      * @return bool
      */
     public function isPostBack(): bool
     {
-        return ($this->getMethod() === static::REQUEST_TYPE_POST);
+        return \in_array($this->getMethod(), static::$requestTypesPost, true);
     }
 
     /**