diff --git a/lib/public/AppFramework/Http/JSONResponse.php b/lib/public/AppFramework/Http/JSONResponse.php
index f4b936435c8a5..4870a64afd731 100644
--- a/lib/public/AppFramework/Http/JSONResponse.php
+++ b/lib/public/AppFramework/Http/JSONResponse.php
@@ -64,13 +64,7 @@ public function __construct($data = [], $statusCode = Http::STATUS_OK) {
 	 * @throws \Exception If data could not get encoded
 	 */
 	public function render() {
-		$response = json_encode($this->data, JSON_HEX_TAG);
-		if ($response === false) {
-			throw new \Exception(sprintf('Could not json_encode due to invalid ' .
-				'non UTF-8 characters in the array: %s', var_export($this->data, true)));
-		}
-
-		return $response;
+		return json_encode($this->data, JSON_HEX_TAG | JSON_THROW_ON_ERROR);
 	}
 
 	/**
diff --git a/tests/lib/AppFramework/Http/JSONResponseTest.php b/tests/lib/AppFramework/Http/JSONResponseTest.php
index 504876b2d8882..8c8318eb602aa 100644
--- a/tests/lib/AppFramework/Http/JSONResponseTest.php
+++ b/tests/lib/AppFramework/Http/JSONResponseTest.php
@@ -88,10 +88,10 @@ public function testRender(array $input, $expected) {
 		$this->assertEquals($expected, $this->json->render());
 	}
 
-	
+
 	public function testRenderWithNonUtf8Encoding() {
-		$this->expectException(\Exception::class);
-		$this->expectExceptionMessage('Could not json_encode due to invalid non UTF-8 characters in the array: array (');
+		$this->expectException(\JsonException::class);
+		$this->expectExceptionMessage('Malformed UTF-8 characters, possibly incorrectly encoded');
 
 		$params = ['test' => hex2bin('e9')];
 		$this->json->setData($params);