diff --git a/tests/wpunit/SanityTest.php b/tests/wpunit/SanityTest.php
index 53fcf8c..0c80d70 100644
--- a/tests/wpunit/SanityTest.php
+++ b/tests/wpunit/SanityTest.php
@@ -71,9 +71,9 @@ public function testCanUsePolylang()
         $langs = pll_languages_list(['fields' => 'slug']);
         asort($langs);
 
-        echo '################jjA;';
-        echo error_log($langs, true);
-        echo '################jjA;';
+        error_log('################jjA;');
+        error_log($langs, true);
+        error_log('################jjA;');
         $this->assertEquals($langs, ['de', 'en', 'es', 'fi', 'fr']);
     }