diff --git a/commons/src/main/java/com/vitorpamplona/amethyst/commons/data/LargeCache.kt b/commons/src/main/java/com/vitorpamplona/amethyst/commons/data/LargeCache.kt
index 444cd76e0..73d958f99 100644
--- a/commons/src/main/java/com/vitorpamplona/amethyst/commons/data/LargeCache.kt
+++ b/commons/src/main/java/com/vitorpamplona/amethyst/commons/data/LargeCache.kt
@@ -24,7 +24,7 @@ import java.util.concurrent.ConcurrentSkipListMap
 import java.util.function.BiConsumer
 
 class LargeCache<K, V> {
-    val cache = ConcurrentSkipListMap<K, V>()
+    private val cache = ConcurrentSkipListMap<K, V>()
 
     fun get(key: K) = cache.get(key)