diff --git a/indexer/tasks/src/multiera/multiera_projected_nft.rs b/indexer/tasks/src/multiera/multiera_projected_nft.rs
index 9f739f98..2fb21fd4 100644
--- a/indexer/tasks/src/multiera/multiera_projected_nft.rs
+++ b/indexer/tasks/src/multiera/multiera_projected_nft.rs
@@ -124,7 +124,7 @@ async fn handle_projected_nft(
     let mut queued_projected_nft_records = vec![];
 
     for (tx_body, cardano_transaction) in block.1.txs().iter().zip(multiera_txs) {
-        // redeemers are needed to identify whil of the projected nfts are partial withdrawals
+        // redeemers are needed to identify which of the projected nfts are partial withdrawals
         let redeemers = tx_body
             .redeemers()
             .map(get_projected_nft_redeemers)
diff --git a/webserver/server/app/controllers/ProjectedNftRangeController.ts b/webserver/server/app/controllers/ProjectedNftRangeController.ts
index cbd5e589..76db9c7e 100644
--- a/webserver/server/app/controllers/ProjectedNftRangeController.ts
+++ b/webserver/server/app/controllers/ProjectedNftRangeController.ts
@@ -38,11 +38,11 @@ export class ProjectedNftRangeController extends Controller {
                 actionTxId: data.action_tx_id,
                 actionOutputIndex: data.action_output_index,
                 asset: data.asset,
-                amount: parseInt(data.amount),
+                amount: BigInt(data.amount),
                 status: data.status,
                 plutusDatum: data.plutus_datum,
                 actionSlot: data.action_slot,
-                forHowLong: data.for_how_long != null ? parseInt(data.for_how_long) : null,
+                forHowLong: data.for_how_long != null ? BigInt(data.for_how_long) : null,
             }));
         });
 
diff --git a/webserver/shared/models/ProjectedNftRange.ts b/webserver/shared/models/ProjectedNftRange.ts
index aefce71c..37cf49d8 100644
--- a/webserver/shared/models/ProjectedNftRange.ts
+++ b/webserver/shared/models/ProjectedNftRange.ts
@@ -77,7 +77,7 @@ export type ProjectedNftRangeResponse = {
      *
      * @example 1
      */
-    amount: number,
+    amount: bigint,
     /**
      * Projected NFT status: Lock / Unlocking / Claim / Invalid
      *
@@ -97,5 +97,5 @@ export type ProjectedNftRangeResponse = {
      *
      * @example 1701266986000
      */
-    forHowLong: number | null,
+    forHowLong: bigint | null,
 }[];
\ No newline at end of file