diff --git a/tests/Console/Command/DiffTest.php b/tests/Console/Command/DiffTest.php
index 9091f05af..db30a9a7b 100644
--- a/tests/Console/Command/DiffTest.php
+++ b/tests/Console/Command/DiffTest.php
@@ -75,9 +75,7 @@ public function test_it_can_display_the_diff_of_two_phar_files(
             ],
         );
 
-        $actualOutput = DisplayNormalizer::removeTrailingSpaces(
-            $this->commandTester->getDisplay(true),
-        );
+        $actualOutput = $this->commandTester->getNormalizedDisplay();
 
         if (null !== $expectedOutput) {
             self::assertSame($expectedOutput, $actualOutput);