diff --git a/rust/notamon-nft/src/lib.rs b/rust/notamon-nft/src/lib.rs
index 3fbc99e..f6e3e2f 100644
--- a/rust/notamon-nft/src/lib.rs
+++ b/rust/notamon-nft/src/lib.rs
@@ -219,14 +219,12 @@ impl NFTContractState {
 #[init]
 pub fn initialize(
     ctx: ContractContext,
-    name: String,
-    symbol: String,
     uri_template: String,
     asset_contract: Address,
 ) -> NFTContractState {
     NFTContractState {
-        name,
-        symbol,
+        name: "Notamon".to_string(),
+        symbol: "NOT".to_string(),
         owners: AvlTreeMap::new(),
         token_approvals: AvlTreeMap::new(),
         operator_approvals: AvlTreeMap::new(),
@@ -404,7 +402,8 @@ fn unlock_assets(
 
     let mut event_group_builder = EventGroup::builder();
     event_group_builder
-        .call(state.asset_contract, Shortname::from_u32(0x07))
+        .call(state.asset_contract, Shortname::from_u32(0x09)) // REAL Binder
+        .argument(Shortname::from_u32(0x07))
         .argument(ids_of_not_yet_unlocked_assets)
         .done();
 
diff --git a/rust/notamon-nft/src/upgrade.rs b/rust/notamon-nft/src/upgrade.rs
index 8030c0c..039bc1b 100644
--- a/rust/notamon-nft/src/upgrade.rs
+++ b/rust/notamon-nft/src/upgrade.rs
@@ -18,3 +18,10 @@ pub fn is_upgrade_allowed(
 ) -> bool {
     context.sender == state.contract_owner
 }
+
+
+/// Upgrade contract state
+#[upgrade]
+pub fn upgrade_from_previous(_context: ContractContext, state: NFTContractState) -> NFTContractState {
+    state
+}