diff --git a/src/RequestParser.php b/src/RequestParser.php
index c213ec23..c691dfec 100644
--- a/src/RequestParser.php
+++ b/src/RequestParser.php
@@ -133,7 +133,7 @@ public function parseBody($content)
                 return;
             }
 
-            if (strtolower($headers['Content-Type']) == 'application/x-www-form-urlencoded') {
+            elseif (strpos(strtolower($headers['Content-Type']), 'application/x-www-form-urlencoded') === 0) {
                 parse_str(urldecode($content), $result);
                 $this->request->setPost($result);
 
diff --git a/tests/RequestParserTest.php b/tests/RequestParserTest.php
index 728166b3..b5f140b1 100644
--- a/tests/RequestParserTest.php
+++ b/tests/RequestParserTest.php
@@ -143,7 +143,10 @@ public function testShouldReceiveMultiPartBody()
         $this->assertEquals(2, count($request->getFiles()['files']));
     }
 
-    public function testShouldReceivePostInBody()
+    /**
+     * @dataProvider shouldReceivePostInBodyDataProvider
+     */
+    public function testShouldReceivePostInBody($postData)
     {
         $request = null;
         $body = null;
@@ -154,7 +157,7 @@ public function testShouldReceivePostInBody()
                 $body = $parsedBodyBuffer;
             });
 
-        $parser->feed($this->createPostWithContent());
+        $parser->feed($postData);
 
         $this->assertInstanceOf('React\Http\Request', $request);
         $this->assertSame('', $body);
@@ -164,6 +167,14 @@ public function testShouldReceivePostInBody()
         );
     }
 
+    public function shouldReceivePostInBodyDataProvider()
+    {
+        return [
+            [$this->createPostWithContent()],
+            [$this->createPostWithContentUtf8Charset()]
+        ];
+    }
+
     public function testHeaderOverflowShouldEmitError()
     {
         $error = null;
@@ -260,6 +271,20 @@ private function createPostWithContent()
         return $data;
     }
 
+    private function createPostWithContentUtf8Charset()
+    {
+        $data  = "POST /foo?bar=baz HTTP/1.1\r\n";
+        $data .= "Host: localhost:8080\r\n";
+        $data .= "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:32.0) Gecko/20100101 Firefox/32.0\r\n";
+        $data .= "Connection: close\r\n";
+        $data .= "Content-Type: application/x-www-form-urlencoded; charset=utf-8\r\n";
+        $data .= "Content-Length: 79\r\n";
+        $data .= "\r\n";
+        $data .= "user=single&user2=second&users%5B%5D=first+in+array&users%5B%5D=second+in+array\r\n";
+
+        return $data;
+    }
+
     private function createMultipartRequest()
     {
         $data  = "POST / HTTP/1.1\r\n";