diff --git a/framework/web/JsonParser.php b/framework/web/JsonParser.php
index 9102316a69..8453ed0ff8 100644
--- a/framework/web/JsonParser.php
+++ b/framework/web/JsonParser.php
@@ -35,7 +35,7 @@ class JsonParser implements RequestParserInterface
 	public function parse($rawBody)
 	{
 		try {
-			return Json::encode($rawBody, $this->asArray);
+			return Json::decode($rawBody, $this->asArray);
 		} catch (InvalidParamException $e) {
 			if ($this->throwException) {
 				throw $e;
diff --git a/framework/web/RequestParserInterface.php b/framework/web/RequestParserInterface.php
index dfeed558f5..42e6ca412e 100644
--- a/framework/web/RequestParserInterface.php
+++ b/framework/web/RequestParserInterface.php
@@ -15,9 +15,9 @@ namespace yii\web;
  */
 interface RequestParserInterface
 {
-    /**
-     * @param string $rawBody the raw HTTP request body
-     * @return array parameters parsed from the request body
-     */
+	/**
+	 * @param string $rawBody the raw HTTP request body
+	 * @return array parameters parsed from the request body
+	 */
 	public function parse($rawBody);
 }