diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 4041710fb703..eb85c8131723 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -38,3 +38,8 @@ parameters:
 		booleansInConditions: true
 		disallowedConstructs: true
 		matchingInheritedMethodNames: true
+	ignoreErrors:
+		- '#^Call to function config with Config\\.+\:\:class is discouraged\.$#'
+	codeigniter:
+		additionalConfigNamespaces:
+			- CodeIgniter\Config\
diff --git a/system/Config/Factories.php b/system/Config/Factories.php
index b455969049e2..a32df02725ac 100644
--- a/system/Config/Factories.php
+++ b/system/Config/Factories.php
@@ -377,7 +377,7 @@ public static function getOptions(string $component): array
             // Handle Config as a special case to prevent logic loops
             ? self::$configOptions
             // Load values from the best Factory configuration (will include Registrars)
-            : config(Factory::class)->{$component} ?? [];
+            : config('Factory')->{$component} ?? [];
 
         // The setOptions() reset the component. So getOptions() may reset
         // the component.