diff --git a/tests/phpunit/ExtensionTest.php b/tests/phpunit/ExtensionTest.php
index 890b2ea..73d2b3e 100644
--- a/tests/phpunit/ExtensionTest.php
+++ b/tests/phpunit/ExtensionTest.php
@@ -71,7 +71,8 @@ class ExtensionTest extends LinkTitles\TestCase {
 		] );
 		$title = $this->insertPage( 'test page', $input )['title'];
 		$page = new WikiPage( $title );
-		$output = $page->getParserOutput( new ParserOptions(), null, true );
+		$user = MediaWiki\User\UserFactory::newAnonymous();
+		$output = $page->getParserOutput( new ParserOptions( $user ), null, true );
 		$lines = explode( "\n", $output->getText() );
 		$this->assertRegexp( $expectedOutput, $lines[0] );
 	}
diff --git a/tests/phpunit/LinkerTest.php b/tests/phpunit/LinkerTest.php
index b294660..5b089e9 100644
--- a/tests/phpunit/LinkerTest.php
+++ b/tests/phpunit/LinkerTest.php
@@ -318,7 +318,7 @@ class LinkTitlesLinkerTest extends LinkTitles\TestCase {
 		// Reset namespace caches.
 		// See https://stackoverflow.com/q/45974979/270712
 		\MWNamespace::getCanonicalNamespaces(true);
-		global $wgContLang;
+		$wgContLang = \MediaWiki\MediaWikiServices::getInstance()->getContentLanguage();
 		$wgContLang->resetNamespaces();
 		$this->assertTrue( MWNamespace::exists( $ns ), "The namespace with id $ns should exist!" );