diff --git a/src/object_pool/object_id.rs b/src/object_pool/object_id.rs
index 0addc5c..fd42461 100644
--- a/src/object_pool/object_id.rs
+++ b/src/object_pool/object_id.rs
@@ -18,7 +18,7 @@ impl ObjectId {
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub struct NullableObjectId(Option<ObjectId>);
+pub struct NullableObjectId(pub Option<ObjectId>);
 
 impl NullableObjectId {
     pub const NULL: NullableObjectId = NullableObjectId(None);
@@ -75,6 +75,12 @@ impl TryFrom<u16> for ObjectId {
     }
 }
 
+impl From<NullableObjectId> for Option<ObjectId> {
+    fn from(id: NullableObjectId) -> Self {
+        return id.0;
+    }
+}
+
 impl From<ObjectId> for u16 {
     fn from(val: ObjectId) -> Self {
         val.id