diff --git a/src/clarity_vm/withdrawal.rs b/src/clarity_vm/withdrawal.rs
index edb17f382..8d9361a4c 100644
--- a/src/clarity_vm/withdrawal.rs
+++ b/src/clarity_vm/withdrawal.rs
@@ -73,7 +73,10 @@ pub fn generate_key_from_event(
 
         if let Value::Tuple(ref mut data) = event_data.value {
             let data_map = &mut data.data_map;
-            data_map.insert("withdrawal_id".into(), Value::UInt(withdrawal_id as u128));
+            data_map.insert(
+                "withdrawal-id".into(),
+                Value::UInt(u128::from(withdrawal_id)),
+            );
             let event_type = data_map.get("type")?.clone().expect_ascii();
 
             return match event_type.as_str() {
diff --git a/testnet/stacks-node/src/tests/l1_observer_test.rs b/testnet/stacks-node/src/tests/l1_observer_test.rs
index 1b1d06344..8bc3c5be0 100644
--- a/testnet/stacks-node/src/tests/l1_observer_test.rs
+++ b/testnet/stacks-node/src/tests/l1_observer_test.rs
@@ -1030,7 +1030,7 @@ fn l1_deposit_and_withdraw_asset_integration_test() {
     let mut withdrawal_height = 0;
     for (height, event) in withdraw_events {
         withdrawal_height = height;
-        let withdrawal_id = event.get("withdrawal_id").unwrap().clone().expect_u128() as u32;
+        let withdrawal_id = event.get("withdrawal-id").unwrap().clone().expect_u128() as u32;
         match event.get("type").unwrap().clone().expect_ascii().as_str() {
             "ft" => ft_withdrawal_id = withdrawal_id,
             "nft" => nft_withdrawal_id = withdrawal_id,
@@ -1561,7 +1561,7 @@ fn l1_deposit_and_withdraw_stx_integration_test() {
     let (withdrawal_height, withdrawal) = withdraw_events.pop().unwrap();
 
     let withdrawal_id = withdrawal
-        .get("withdrawal_id")
+        .get("withdrawal-id")
         .unwrap()
         .clone()
         .expect_u128() as u32;