diff --git a/tests/phpunit/includes/bootstrap.php b/tests/phpunit/includes/bootstrap.php
index e308dcb5a6e1c..6d2f0fbf2fb67 100644
--- a/tests/phpunit/includes/bootstrap.php
+++ b/tests/phpunit/includes/bootstrap.php
@@ -181,7 +181,7 @@
 			'Error: The following required PHP extensions are missing from the testing environment: %s.' . PHP_EOL,
 			implode( ', ', $missing_extensions )
 		);
-		echo 'Please make sure they are installed and enabled.' . PHP_EOL,
+		echo 'Please make sure they are installed and enabled.' . PHP_EOL;
 		exit( 1 );
 	}
 }