diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 0dee95aa2..df2c4a10b 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -34,6 +34,9 @@ parameters:
 		analyseAndScan:
 			- build/php
 			- build/preprocessor
+		analyse:
+			- src/pocketmine/block/StoneSlab.php #overrides STONE constant
+			- src/pocketmine/item/Potion.php #overrides WATER constant
 	dynamicConstantNames:
 		- pocketmine\DEBUG
 		- pocketmine\IS_DEVELOPMENT_BUILD