diff --git a/src/Util/TestDox/NamePrettifier.php b/src/Util/TestDox/NamePrettifier.php
index f61fdf68b6c..4974f247a13 100644
--- a/src/Util/TestDox/NamePrettifier.php
+++ b/src/Util/TestDox/NamePrettifier.php
@@ -63,7 +63,9 @@ public function prettifyTestMethod(string $name): string
             $this->strings[] = $string;
         }
 
-        if (\strpos($name, 'test') === 0) {
+        if (\strpos($name, 'test_') === 0) {
+            $name = \substr($name, 5);
+        } elseif (\strpos($name, 'test') === 0) {
             $name = \substr($name, 4);
         }
 
diff --git a/tests/Util/TestDox/NamePrettifierTest.php b/tests/Util/TestDox/NamePrettifierTest.php
index 0565b72cb9c..a31637f0dd0 100644
--- a/tests/Util/TestDox/NamePrettifierTest.php
+++ b/tests/Util/TestDox/NamePrettifierTest.php
@@ -43,6 +43,7 @@ public function testTestNameIsConvertedToASentence(): void
         $this->assertEquals('This is a test', $this->namePrettifier->prettifyTestMethod('testThisIsATest'));
         $this->assertEquals('This is a test', $this->namePrettifier->prettifyTestMethod('testThisIsATest2'));
         $this->assertEquals('This is a test', $this->namePrettifier->prettifyTestMethod('this_is_a_test'));
+        $this->assertEquals('This is a test', $this->namePrettifier->prettifyTestMethod('test_this_is_a_test'));
         $this->assertEquals('Foo for bar is 0', $this->namePrettifier->prettifyTestMethod('testFooForBarIs0'));
         $this->assertEquals('Foo for baz is 1', $this->namePrettifier->prettifyTestMethod('testFooForBazIs1'));
         $this->assertEquals('This has a 123 in its name', $this->namePrettifier->prettifyTestMethod('testThisHasA123InItsName'));