diff --git a/src/ApiClient/Client.php b/src/ApiClient/Client.php
index e9aa63b..a82e23a 100644
--- a/src/ApiClient/Client.php
+++ b/src/ApiClient/Client.php
@@ -78,14 +78,12 @@ public function setHttpClient(HttpClient $httpClient): void
     /**
      * @throws BokbasenApiClientException
      */
-    protected function call(string $method, string $path, $body = null, array $headers = [], bool $authenticate = true): ResponseInterface
+    protected function call(string $method, string $path, array $headers = [], $body = null, bool $authenticate = true): ResponseInterface
     {
         $headers = $authenticate ? $this->addAuthenticationHeaders($headers) : $headers;
         $url = $this->prependBaseUrl($path);
 
-        if ($this->logger) {
-            $this->logger->debug(sprintf('Executing HTTP %s request to %s with data %s.', $method, $url, $body));
-        }
+        $this->logRequest($method, $url, $body);
 
         return $this->getCaller()->request($method, $url, $headers, $body);
     }
@@ -107,8 +105,8 @@ public function post(string $path, $body, ?array $headers = [], bool $authentica
         return $this->call(
             HttpRequestOptions::HTTP_METHOD_POST,
             $path,
-            $body,
             $headers,
+            $body,
             $authenticate
         );
     }
@@ -130,8 +128,8 @@ public function put(string $path, $body, array $headers = [], bool $authenticate
         return $this->call(
             HttpRequestOptions::HTTP_METHOD_PUT,
             $path,
-            $body,
             $headers,
+            $body,
             $authenticate
         );
     }
@@ -153,8 +151,8 @@ public function get(string $path, array $headers = [], $authenticate = true): Re
         return $this->call(
             HttpRequestOptions::HTTP_METHOD_GET,
             $path,
-            null,
             $headers,
+            null,
             $authenticate
         );
     }
@@ -176,8 +174,8 @@ public function patch(string $path, $body, array $headers = [], bool $authentica
         return $this->call(
             HttpRequestOptions::HTTP_METHOD_PATCH,
             $path,
-            $body,
             $headers,
+            $body,
             $authenticate
         );
     }
@@ -185,23 +183,19 @@ public function patch(string $path, $body, array $headers = [], bool $authentica
     /**
      * Special endpoint for posting json, sets correct content type header and encodes data as json
      *
-     * @param string          $path
-     * @param array|\stdClass $body
+     * @param string $path
+     * @param array  $body
      *
      * @return ResponseInterface
      *
      * @throws BokbasenApiClientException
      */
-    public function postJson(string $path, $body): ResponseInterface
+    public function postJson(string $path, array $body): ResponseInterface
     {
-        if (!is_array($body) && !$body instanceof \stdClass) {
-            throw new BokbasenApiClientException('Data must be array or stdClass');
-        }
-
         $body = json_encode($body);
 
         if ($body === false) {
-            throw new BokbasenApiClientException('Not able to convert data to json');
+            throw new BokbasenApiClientException('Unable to convert data to json');
         }
 
         return $this->post(
@@ -230,4 +224,15 @@ protected function addAuthenticationHeaders(array $existingHeaders = []): array
     {
         return array_merge($this->login->getAuthHeadersAsArray(), $existingHeaders);
     }
+
+    protected function logRequest(string $method, string $url, $body = null): void
+    {
+        if ($this->logger) {
+            $message = sprintf('Executing HTTP %s request to %s', $method, $url);
+            if (!empty($body)) {
+                $message .= sprintf(' with data %s', $body);
+            }
+            $this->logger->debug($message);
+        }
+    }
 }
\ No newline at end of file
diff --git a/tests/ApiClient/ClientTest.php b/tests/ApiClient/ClientTest.php
index 29e14bf..44f96c0 100644
--- a/tests/ApiClient/ClientTest.php
+++ b/tests/ApiClient/ClientTest.php
@@ -44,11 +44,11 @@ public function testSetLogger()
         $logger = new Logger('first', [$handler = new TestHandler()]);
         $client->setLogger($logger);
 
-        $client->get('/path');
+        $client->post('/path', json_encode(["data" => "data"]));
         list($record) = $handler->getRecords();
 
         $this->assertEquals(
-            'Executing HTTP GET request to http://client.test/path with data .',
+            'Executing HTTP POST request to http://client.test/path with data {"data":"data"}',
             $record['message']
         );
     }
@@ -104,18 +104,10 @@ public function testPostJson()
         $response = $client->postJson('/path', ['my' => 'body']);
         $this->assertInstanceOf(ResponseInterface::class, $response);
 
-        $response = $client->postJson('/path', (object) ['my' => 'body'], ["Content-Type" => "application/json"],false);
+        $response = $client->postJson('/path', ['my' => 'body'], ["Content-Type" => "application/json"],false);
         $this->assertInstanceOf(ResponseInterface::class, $response);
     }
 
-    public function testPostJsonInvalidArgument()
-    {
-        $this->expectException(BokbasenApiClientException::class);
-
-        $client = $this->getClient();
-        $client->postJson('/path', "invalid body");
-    }
-
     public function testClientException()
     {
         $this->expectException(BokbasenApiClientException::class);