diff --git a/examples/src_6/multi_token_vault/src/main.sw b/examples/src_6/multi_token_vault/src/main.sw
index 041335a..fa28a41 100644
--- a/examples/src_6/multi_token_vault/src/main.sw
+++ b/examples/src_6/multi_token_vault/src/main.sw
@@ -151,14 +151,17 @@ fn vault_asset_id(asset: AssetId, sub_id: SubId) -> (AssetId, SubId) {
 
 #[storage(read)]
 fn managed_assets(share_asset: AssetId) -> u64 {
-    storage.vault_info.get(share_asset).read().managed_assets
+    match storage.vault_info.get(share_asset).try_read() {
+        Some(vault_info) => vault_info.managed_assets,
+        None => 0,
+    }
 }
 
 #[storage(read)]
 fn preview_deposit(asset: AssetId, sub_id: SubId, assets: u64) -> (u64, AssetId, SubId) {
     let (share_asset_id, share_asset_sub_id) = vault_asset_id(asset, sub_id);
 
-    let shares_supply = storage.total_supply.get(share_asset_id).read();
+    let shares_supply = storage.total_supply.get(share_asset_id).try_read().unwrap_or(0);
     if shares_supply == 0 {
         (assets, share_asset_id, share_asset_sub_id)
     } else {
diff --git a/examples/src_6/single_token_single_sub_vault/src/main.sw b/examples/src_6/single_token_single_sub_vault/src/main.sw
index 26f8aed..7227f1a 100644
--- a/examples/src_6/single_token_single_sub_vault/src/main.sw
+++ b/examples/src_6/single_token_single_sub_vault/src/main.sw
@@ -165,12 +165,12 @@ fn vault_assetid() -> AssetId {
 fn preview_deposit(assets: u64) -> (u64, AssetId) {
     let share_asset_id = vault_assetid();
 
-    let shares_supply = storage.total_supply.read();
+    let shares_supply = storage.total_supply.try_read().unwrap_or(0);
     if shares_supply == 0 {
         (assets, share_asset_id)
     } else {
         (
-            assets * shares_supply / storage.managed_assets.read(),
+            assets * shares_supply / storage.managed_assets.try_read().unwrap_or(0),
             share_asset_id,
         )
     }
diff --git a/examples/src_6/single_token_vault/src/main.sw b/examples/src_6/single_token_vault/src/main.sw
index 443a11e..5790cff 100644
--- a/examples/src_6/single_token_vault/src/main.sw
+++ b/examples/src_6/single_token_vault/src/main.sw
@@ -171,14 +171,17 @@ fn vault_asset_id(asset: AssetId, sub_id: SubId) -> (AssetId, SubId) {
 
 #[storage(read)]
 fn managed_assets(share_asset: AssetId) -> u64 {
-    storage.vault_info.get(share_asset).read().managed_assets
+    match storage.vault_info.get(share_asset).try_read() {
+        Some(vault_info) => vault_info.managed_assets,
+        None => 0,
+    }
 }
 
 #[storage(read)]
 fn preview_deposit(asset: AssetId, sub_id: SubId, assets: u64) -> (u64, AssetId, SubId) {
     let (share_asset_id, share_asset_sub_id) = vault_asset_id(asset, sub_id);
 
-    let shares_supply = storage.total_supply.get(share_asset_id).read();
+    let shares_supply = storage.total_supply.get(share_asset_id).try_read().unwrap_or(0);
     if shares_supply == 0 {
         (assets, share_asset_id, share_asset_sub_id)
     } else {