diff --git a/subgraphs/isolated-pools/schema.graphql b/subgraphs/isolated-pools/schema.graphql
index 30c586ec..2f2894ca 100644
--- a/subgraphs/isolated-pools/schema.graphql
+++ b/subgraphs/isolated-pools/schema.graphql
@@ -94,7 +94,7 @@ type Market @entity {
 
     # Fields that are not in Venus api
     "Block the market is updated to"
-    accrualBlockNumber: Int!
+    accrualBlockNumber: BigInt!
     "Timestamp the market was most recently updated"
     blockTimestamp: Int!
     "The history of the markets borrow index return (Think S&P 500)"
diff --git a/subgraphs/isolated-pools/src/operations/create.ts b/subgraphs/isolated-pools/src/operations/create.ts
index 22dea9d2..5706790b 100644
--- a/subgraphs/isolated-pools/src/operations/create.ts
+++ b/subgraphs/isolated-pools/src/operations/create.ts
@@ -119,7 +119,7 @@ export function createMarket(
   market.reservesMantissa = vTokenContract.totalReserves();
   market.supplyRateMantissa = vTokenContract.supplyRatePerBlock();
 
-  market.accrualBlockNumber = vTokenContract.accrualBlockNumber().toI32();
+  market.accrualBlockNumber = vTokenContract.accrualBlockNumber();
 
   market.blockTimestamp = blockTimestamp.toI32();
 
diff --git a/subgraphs/isolated-pools/src/operations/update.ts b/subgraphs/isolated-pools/src/operations/update.ts
index fc15bfed..a42716b6 100644
--- a/subgraphs/isolated-pools/src/operations/update.ts
+++ b/subgraphs/isolated-pools/src/operations/update.ts
@@ -127,7 +127,7 @@ export const updateMarket = (
   const market = getMarket(vTokenAddress)!;
 
   // Only updateMarket if it has not been updated this block
-  if (market.accrualBlockNumber === blockNumber) {
+  if (market.accrualBlockNumber.equals(BigInt.fromI32(blockNumber))) {
     return market as Market;
   }
   const marketContract = VToken.bind(vTokenAddress);
@@ -141,7 +141,7 @@ export const updateMarket = (
 
   market.accrualBlockNumber = valueOrNotAvailableIntIfReverted(
     marketContract.try_accrualBlockNumber(),
-  ).toI32();
+  );
   market.blockTimestamp = blockTimestamp;
 
   const exchangeRateMantissa = valueOrNotAvailableIntIfReverted(
diff --git a/subgraphs/isolated-pools/tests/integration/queries/accountVTokenByAccountAndMarket.graphql b/subgraphs/isolated-pools/tests/integration/queries/accountVTokenByAccountAndMarket.graphql
index 9ee77dcf..00842052 100644
--- a/subgraphs/isolated-pools/tests/integration/queries/accountVTokenByAccountAndMarket.graphql
+++ b/subgraphs/isolated-pools/tests/integration/queries/accountVTokenByAccountAndMarket.graphql
@@ -30,5 +30,6 @@ query AccountVTokenByAccountAndMarket($id: ID!) {
     totalUnderlyingRedeemedMantissa
     borrowIndex
     totalUnderlyingRepaidMantissa
+    accrualBlockNumber
   }
 }
diff --git a/subgraphs/venus/schema.graphql b/subgraphs/venus/schema.graphql
index f87a9c25..c0e7c31a 100644
--- a/subgraphs/venus/schema.graphql
+++ b/subgraphs/venus/schema.graphql
@@ -62,7 +62,7 @@ type Market @entity {
 
     # Fields that are not in Venus api
     "Block the market is updated to"
-    accrualBlockNumber: Int!
+    accrualBlockNumber: BigInt!
     "Timestamp the market was most recently updated"
     blockTimestamp: Int!
     "The history of the markets borrow index return (Think S&P 500)"
diff --git a/subgraphs/venus/src/mappings/vToken.ts b/subgraphs/venus/src/mappings/vToken.ts
index 82f77863..cf5d0841 100644
--- a/subgraphs/venus/src/mappings/vToken.ts
+++ b/subgraphs/venus/src/mappings/vToken.ts
@@ -375,7 +375,7 @@ export function handleAccrueInterest(event: AccrueInterest): void {
   const market = getOrCreateMarket(marketAddress, event);
   const vTokenContract = VToken.bind(marketAddress);
 
-  market.accrualBlockNumber = vTokenContract.accrualBlockNumber().toI32();
+  market.accrualBlockNumber = vTokenContract.accrualBlockNumber();
   market.blockTimestamp = event.block.timestamp.toI32();
   market.borrowIndex = event.params.borrowIndex;
   market.totalBorrowsMantissa = event.params.totalBorrows;
diff --git a/subgraphs/venus/src/operations/getOrCreate.ts b/subgraphs/venus/src/operations/getOrCreate.ts
index 650582b4..7585bdf8 100644
--- a/subgraphs/venus/src/operations/getOrCreate.ts
+++ b/subgraphs/venus/src/operations/getOrCreate.ts
@@ -62,7 +62,7 @@ export function getOrCreateMarket(marketAddress: Address, event: ethereum.Event)
         : getUnderlyingPrice(marketAddress, market.underlyingDecimals);
     market.lastUnderlyingPriceBlockNumber = event.block.number;
 
-    market.accrualBlockNumber = vTokenContract.accrualBlockNumber().toI32();
+    market.accrualBlockNumber = vTokenContract.accrualBlockNumber();
     market.totalXvsDistributedMantissa = zeroBigInt32;
     market.collateralFactorMantissa = zeroBigInt32;
     market.supplierCount = zeroBigInt32;