diff --git a/src/globals/ext-tests/imagick.php b/src/globals/ext-tests/imagick.php
index 5fac8dcc..49f41fbe 100644
--- a/src/globals/ext-tests/imagick.php
+++ b/src/globals/ext-tests/imagick.php
@@ -10,3 +10,4 @@ assert(Imagick::queryFormats('WEBP') !== []);
 assert(Imagick::queryFormats('JPEG') !== []);
 assert(Imagick::queryFormats('PNG') !== []);
 assert(Imagick::queryFormats('TIFF') !== []);
+assert(Imagick::queryFormats('JXL') !== []);