diff --git a/src/wp-includes/l10n.php b/src/wp-includes/l10n.php
index f9fc55034226..b0220c0a9a93 100644
--- a/src/wp-includes/l10n.php
+++ b/src/wp-includes/l10n.php
@@ -127,7 +127,7 @@ function get_admin_locale() {
 		$locale = get_user_locale( $admin_user );
 	}
 
-	return $locale ? $locale : get_locale();
+	return $locale ?? get_locale();
 }
 
 /**