diff --git a/phpstan.neon b/phpstan.neon
index aabb7d1..c36734a 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -16,6 +16,7 @@ parameters:
     - Classes
     - Configuration
     - Tests
+    - ext_localconf.php
 
   # Allow instanceof checks, particularly in tests
   checkAlwaysTrueCheckTypeFunctionCall: false