diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/data/world/BooleanProvider.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/data/world/BooleanProvider.kt
index 0f0b3c5d3..61cc7d0c9 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/data/world/BooleanProvider.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/data/world/BooleanProvider.kt
@@ -143,7 +143,7 @@ interface BooleanProvider {
 			registry.byNameCodec().dispatch({ it.type }, { it.codec })
 		}
 
-		fun register(bus: IEventBus) {
+		internal fun register(bus: IEventBus) {
 			bus.addListener(registryHolder::build)
 			registrar.register(bus)
 		}