diff --git a/src/Logging/TestDox/NamePrettifier.php b/src/Logging/TestDox/NamePrettifier.php
index 9c490853ef5..446b5393b3f 100644
--- a/src/Logging/TestDox/NamePrettifier.php
+++ b/src/Logging/TestDox/NamePrettifier.php
@@ -145,9 +145,7 @@ public function prettifyTestMethodName(string $name): string
         $wasNumeric = false;
 
         foreach (range(0, strlen($name) - 1) as $i) {
-            $ord = ord($name[$i]);
-
-            if ($i > 0 && $ord >= 65 && $ord <= 90) {
+            if ($i > 0 && $name[$i] >= 'A' && $name[$i] <= 'Z') {
                 $buffer .= ' ' . strtolower($name[$i]);
             } else {
                 $isNumeric = is_numeric($name[$i]);