diff --git a/bitcoin/src/lib.rs b/bitcoin/src/lib.rs
index 6439ad9e0..c214ff02f 100644
--- a/bitcoin/src/lib.rs
+++ b/bitcoin/src/lib.rs
@@ -811,7 +811,11 @@ impl BitcoinCoreApi for BitcoinCore {
             .rpc
             .list_transactions(Some(SWEEP_ADDRESS), Some(DEFAULT_MAX_TX_COUNT), None, None)?
             .into_iter()
-            .filter_map(|tx| tx.info.blockheight)
+            // we want to return None if there is no sweep tx for full nodes or new
+            // pruned nodes and we should return an error if any tx is still in the mempool
+            .map(|tx| tx.info.blockheight.ok_or(Error::ConfirmationError))
+            .collect::<Result<Vec<_>, _>>()?
+            .into_iter()
             .min())
     }
 
@@ -1080,7 +1084,6 @@ impl BitcoinCoreApi for BitcoinCore {
         }
 
         log::info!("Sweeping {} from {} utxos", amount, utxos.len());
-
         let mut outputs = serde_json::Map::<String, serde_json::Value>::new();
         outputs.insert(address.to_string(), serde_json::Value::from(amount.to_btc()));
 
diff --git a/vault/src/issue.rs b/vault/src/issue.rs
index 6f135ee10..4d9ee5d4b 100644
--- a/vault/src/issue.rs
+++ b/vault/src/issue.rs
@@ -166,7 +166,7 @@ pub async fn add_keys_from_past_issue_request(
     // privkey
     let btc_end_height = bitcoin_core.get_block_count().await? as usize;
     let btc_pruned_start_height = bitcoin_core.get_pruned_height().await? as usize;
-    let btc_max_sweep_height = bitcoin_core.get_last_sweep_height().await?;
+    let btc_last_sweep_height = bitcoin_core.get_last_sweep_height().await?;
 
     let issues = issue_requests.clone().into_iter().map(|(_key, issue)| issue).collect();
     scanning_status.update(issues, btc_end_height);
@@ -184,7 +184,7 @@ pub async fn add_keys_from_past_issue_request(
                     .into_iter()
                     .filter_map(|(_, request)| {
                         // only import if address is AFTER last sweep height and BEFORE current pruning height
-                        if btc_max_sweep_height.is_some_and(|sweep_height| request.btc_height > sweep_height)
+                        if btc_last_sweep_height.map_or(true, |sweep_height| request.btc_height > sweep_height)
                             && (request.btc_height as usize) < btc_pruned_start_height
                         {
                             Some(request.btc_address.to_address(bitcoin_core.network()).ok()?)
diff --git a/vault/src/lib.rs b/vault/src/lib.rs
index a93685643..8dac97932 100644
--- a/vault/src/lib.rs
+++ b/vault/src/lib.rs
@@ -1,6 +1,5 @@
 #![recursion_limit = "256"]
 #![feature(array_zip)]
-#![feature(is_some_and)]
 
 mod cancellation;
 mod cli;
diff --git a/vault/src/system.rs b/vault/src/system.rs
index a3463b4fe..99f8bfb8a 100644
--- a/vault/src/system.rs
+++ b/vault/src/system.rs
@@ -323,6 +323,14 @@ impl VaultIdManager {
             btc_rpc_shared.import_private_key(&private_key, false)?;
         }
 
+        // only sweep if using pruned node and there is no sweep tx yet to shared-v2
+        if btc_rpc_shared.get_pruned_height().await? != 0 && self.btc_rpc_shared_wallet_v2.get_last_sweep_height().await?.is_none() {
+            // sweep to old shared wallet which will then sweep again to the v2 wallet
+            let shared_wallet_address = btc_rpc_shared.get_new_address().await?;
+            let txid = btc_rpc.sweep_funds(shared_wallet_address).await?;
+            tracing::info!("Sent sweep tx: {txid}");
+        }
+
         tracing::info!("Initializing metrics...");
         let metrics = PerCurrencyMetrics::new(&vault_id);
         let data = VaultData {
@@ -435,7 +443,7 @@ impl VaultIdManager {
 pub struct VaultService {
     btc_parachain: InterBtcParachain,
     btc_rpc_master_wallet: DynBitcoinCoreApi,
-    btc_rpc_shared_wallet: DynBitcoinCoreApi,
+    btc_rpc_shared_wallet_v2: DynBitcoinCoreApi,
     config: VaultServiceConfig,
     monitoring_config: MonitoringConfig,
     shutdown: ShutdownSender,
@@ -547,7 +555,7 @@ impl VaultService {
         Self {
             btc_parachain: btc_parachain.clone(),
             btc_rpc_master_wallet: btc_rpc_master_wallet.clone(),
-            btc_rpc_shared_wallet: btc_rpc_shared_wallet.clone(),
+            btc_rpc_shared_wallet_v2: btc_rpc_shared_wallet_v2.clone(),
             config,
             monitoring_config,
             shutdown,
@@ -673,7 +681,7 @@ impl VaultService {
 
         tracing::info!("Adding keys from past issues...");
         issue::add_keys_from_past_issue_request(
-            &self.btc_rpc_shared_wallet,
+            &self.btc_rpc_shared_wallet_v2,
             &self.btc_parachain,
             &self.vault_id_manager.db,
         )