diff --git a/tests/phpunit/tests/locale.php b/tests/phpunit/tests/locale.php
index a51df0a5b4..449471c5d5 100644
--- a/tests/phpunit/tests/locale.php
+++ b/tests/phpunit/tests/locale.php
@@ -25,10 +25,13 @@ class Tests_Locale extends WP_UnitTestCase {
 		$this->assertSame( __( 'Saturday' ), $this->locale->get_weekday( 6 ) );
 	}
 
-	/**
-	 * @expectedException PHPUnit_Framework_Error_Notice
-	 */
 	public function test_get_weekday_undefined_index() {
+		if ( PHP_VERSION_ID >= 80000 ) {
+			$this->expectException( 'PHPUnit_Framework_Error_Warning' );
+		} else {
+			$this->expectException( 'PHPUnit_Framework_Error_Notice' );
+		}
+
 		$this->locale->get_weekday( 7 );
 	}