diff --git a/src/Server/Helper.php b/src/Server/Helper.php
index 8bc8588..1957fec 100644
--- a/src/Server/Helper.php
+++ b/src/Server/Helper.php
@@ -499,12 +499,6 @@ class Helper
                         Utils::printSafeJson($bodyParams)
                     );
                 }
-
-                if (empty($bodyParams)) {
-                    throw new InvariantViolation(
-                        "PSR-7 request is expected to provide parsed body for \"application/json\" requests but got empty array"
-                    );
-                }
             } else {
                 $bodyParams = $request->getParsedBody();
 
diff --git a/tests/Server/RequestParsingTest.php b/tests/Server/RequestParsingTest.php
index be49492..49f32fb 100644
--- a/tests/Server/RequestParsingTest.php
+++ b/tests/Server/RequestParsingTest.php
@@ -177,12 +177,12 @@ class RequestParsingTest extends \PHPUnit_Framework_TestCase
     public function testFailsParsingNonPreParsedPsrRequest()
     {
         try {
-            $this->parsePsrRequest('application/json', json_encode([]));
+            $this->parsePsrRequest('application/json', json_encode(null));
             $this->fail('Expected exception not thrown');
         } catch (InvariantViolation $e) {
             // Expecting parsing exception to be thrown somewhere else:
             $this->assertEquals(
-                'PSR-7 request is expected to provide parsed body for "application/json" requests but got empty array',
+                'PSR-7 request is expected to provide parsed body for "application/json" requests but got null',
                 $e->getMessage()
             );
         }