diff --git a/src/TwitterOAuth.php b/src/TwitterOAuth.php
index 3d4f3708..ff7f1314 100644
--- a/src/TwitterOAuth.php
+++ b/src/TwitterOAuth.php
@@ -275,7 +275,7 @@ public function put(
         array $parameters = [],
         bool $json = false
     ) {
-        return $this->http('PUT', self::API_HOST, $path, $parameters, false);
+        return $this->http('PUT', self::API_HOST, $path, $parameters, $json);
     }
 
     /**
@@ -671,21 +671,22 @@ private function request(
                 break;
             case 'POST':
                 $options[CURLOPT_POST] = true;
-                if ($json) {
-                    $options[CURLOPT_HTTPHEADER][] =
-                        'Content-type: application/json';
-                    $options[CURLOPT_POSTFIELDS] = json_encode($postfields);
-                } else {
-                    $options[CURLOPT_POSTFIELDS] = Util::buildHttpQuery(
-                        $postfields,
-                    );
-                }
+                $options = $this->setPostfieldsOptions(
+                    $options,
+                    $postfields,
+                    $json,
+                );
                 break;
             case 'DELETE':
                 $options[CURLOPT_CUSTOMREQUEST] = 'DELETE';
                 break;
             case 'PUT':
                 $options[CURLOPT_CUSTOMREQUEST] = 'PUT';
+                $options = $this->setPostfieldsOptions(
+                    $options,
+                    $postfields,
+                    $json,
+                );
                 break;
         }
 
@@ -765,4 +766,28 @@ private function curlCaOpt(string $path): int
     {
         return is_dir($path) ? CURLOPT_CAPATH : CURLOPT_CAINFO;
     }
+
+    /**
+     * Set options for JSON Requests
+     *
+     * @param array $options
+     * @param array $postfields
+     * @param bool $json
+     *
+     * @return array
+     */
+    private function setPostfieldsOptions(
+        array $options,
+        array $postfields,
+        bool $json
+    ): array {
+        if ($json) {
+            $options[CURLOPT_HTTPHEADER][] = 'Content-type: application/json';
+            $options[CURLOPT_POSTFIELDS] = json_encode($postfields);
+        } else {
+            $options[CURLOPT_POSTFIELDS] = Util::buildHttpQuery($postfields);
+        }
+
+        return $options;
+    }
 }