diff --git a/contracts/pool/src/types.rs b/contracts/pool/src/types.rs
index a79c827c..c0021b6a 100644
--- a/contracts/pool/src/types.rs
+++ b/contracts/pool/src/types.rs
@@ -65,6 +65,7 @@ pub struct LPPosition {
 }
 
 #[contracttype]
+#[derive(Clone, Debug)]
 pub enum DataKey {
     Admin,
     InvoiceContract,