diff --git a/phpstan.neon b/phpstan.neon
index 05ff701c..6e4df45f 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -4,6 +4,7 @@ includes:
 parameters:
 	level: max
 	inferPrivatePropertyTypeFromConstructor: true
+	treatPhpDocTypesAsCertain: false
 	scanFiles:
 		- vendor/php-stubs/wp-cli-stubs/wp-cli-stubs.php
 	paths: