diff --git a/tests/_autoload_modules.php b/tests/_autoload_modules.php
index cbe6c9fc049fd51536008de2e94066d5688cb325..4819d743aa931b2cf30b14e64b41c8d022d84514 100644
--- a/tests/_autoload_modules.php
+++ b/tests/_autoload_modules.php
@@ -26,7 +26,7 @@ function sspmodTestClassAutoloadPSR4($className)
         return; // the second element is not "test"
     }
     if (array_shift($elements) !== 'Module') {
-        return; // the second element is not "module"
+        return; // the third element is not "module"
     }
 
     // this is a SimpleSAMLphp module test class following PSR-4