diff --git a/vitrivr-engine-index/src/main/kotlin/org/vitrivr/engine/index/enumerate/ListEnumerator.kt b/vitrivr-engine-index/src/main/kotlin/org/vitrivr/engine/index/enumerate/ListEnumerator.kt
index bf97e42c..2c55e670 100644
--- a/vitrivr-engine-index/src/main/kotlin/org/vitrivr/engine/index/enumerate/ListEnumerator.kt
+++ b/vitrivr-engine-index/src/main/kotlin/org/vitrivr/engine/index/enumerate/ListEnumerator.kt
@@ -30,7 +30,7 @@ class ListEnumerator : EnumeratorFactory {
     /**
      * The [Enumerator] returned by this [FileSystemEnumerator].
      */
-    private class Instance(private val context: IndexContext) : Enumerator {
+    class Instance(private val context: IndexContext) : Enumerator {
 
         /** List of [Source]s that should be enumerated. */
         private val list: LinkedList<Source> = LinkedList()