diff --git a/drift-common b/drift-common
index 20ae6b8..113487b 160000
--- a/drift-common
+++ b/drift-common
@@ -1 +1 @@
-Subproject commit 20ae6b8f6d1d4a47e38e7ef70ee8e2574325d209
+Subproject commit 113487b4986310590d2472f25c56f58ff77efcc5
diff --git a/src/utils/tests/auctionParams.test.ts b/src/utils/tests/auctionParams.test.ts
index a34037d..5d622b5 100644
--- a/src/utils/tests/auctionParams.test.ts
+++ b/src/utils/tests/auctionParams.test.ts
@@ -1,11 +1,12 @@
 import { describe, it, expect, jest, beforeEach } from '@jest/globals';
 import {
 	BN,
-	PositionDirection,
-	MarketType,
-	ZERO,
-	QUOTE_PRECISION,
+	PositionDirection, 
+	MarketType, 
+	ZERO, 
+	QUOTE_PRECISION, 
 	PRICE_PRECISION,
+	BASE_PRECISION 
 } from '@drift-labs/sdk';
 import {
 	createMarketBasedAuctionParams,
@@ -191,7 +192,7 @@ describe('Auction Parameters Functions', () => {
 			marketIndex: 0,
 			marketType: 'perp' as any,
 			direction: 'long' as any,
-			amount: '100',
+			amount: new BN(100).mul(BASE_PRECISION).toString(), // 100 in BASE_PRECISION
 			assetType: 'base' as any,
 			auctionDuration: 30,
 			auctionStartPriceOffset: 0,
@@ -261,6 +262,7 @@ describe('Auction Parameters Functions', () => {
 		it('should handle quote-to-base conversion with realistic prices', async () => {
 			const solPrice = 160; // $160 SOL price
 			const quoteAmount = 1000; // $1,000 worth
+			const quoteAmountInPrecision = new BN(quoteAmount).mul(QUOTE_PRECISION); // Convert to quote precision
 
 			mockDriftClient.getOracleDataForPerpMarket.mockReturnValue({
 				price: new BN(solPrice).mul(PRICE_PRECISION),
@@ -282,7 +284,7 @@ describe('Auction Parameters Functions', () => {
 
 			const quoteParams = {
 				...validParams,
-				amount: quoteAmount.toString(),
+				amount: quoteAmountInPrecision.toString(),
 				assetType: 'quote' as any,
 			};
 
@@ -300,10 +302,9 @@ describe('Auction Parameters Functions', () => {
 			expect(baseAmount).toBeDefined();
 			expect(baseAmount.gt(ZERO)).toBe(true);
 
-			// Calculate expected base amount: (quoteAmount * QUOTE_PRECISION * BASE_PRECISION) / entryPrice
-			const expectedBaseAmount = new BN(quoteAmount)
-				.mul(QUOTE_PRECISION)
-				.mul(new BN(10).pow(new BN(9))) // BASE_PRECISION = 10^9
+			// Calculate expected base amount: (amount * BASE_PRECISION) / entryPrice
+			const expectedBaseAmount = quoteAmountInPrecision
+				.mul(BASE_PRECISION)
 				.div(result.data?.estimatedPrices.entryPrice);
 
 			expect(baseAmount.toString()).toBe(expectedBaseAmount.toString());
@@ -416,7 +417,7 @@ describe('Auction Parameters Functions', () => {
 			// Test small order
 			const smallOrderParams = {
 				...validParams,
-				amount: '10', // Small order
+				amount: new BN(10).mul(BASE_PRECISION).toString(), // 10 in BASE_PRECISION
 			};
 
 			const smallResult = await mapToMarketOrderParams(
@@ -432,7 +433,7 @@ describe('Auction Parameters Functions', () => {
 			// Test large order
 			const largeOrderParams = {
 				...validParams,
-				amount: '1000', // Large order
+				amount: new BN(1000).mul(BASE_PRECISION).toString(), // 1000 in BASE_PRECISION
 			};
 
 			const largeResult = await mapToMarketOrderParams(
@@ -571,7 +572,7 @@ describe('Auction Parameters Functions', () => {
 						marketIndex: 0,
 						marketType: 'perp' as any,
 						direction: 'long' as any,
-						amount: '100',
+						amount: new BN(100).mul(BASE_PRECISION).toString(), // 100 in BASE_PRECISION
 						assetType: 'base' as any,
 						auctionStartPriceOffsetFrom: 'marketBased' as any,
 						auctionStartPriceOffset: 'marketBased' as any,
@@ -584,7 +585,7 @@ describe('Auction Parameters Functions', () => {
 						marketIndex: 5,
 						marketType: 'perp' as any,
 						direction: 'short' as any,
-						amount: '500',
+						amount: new BN(500).mul(QUOTE_PRECISION).toString(), // 500 in QUOTE_PRECISION
 						assetType: 'quote' as any,
 						auctionStartPriceOffsetFrom: 'marketBased' as any,
 						auctionStartPriceOffset: 'marketBased' as any,
@@ -597,7 +598,7 @@ describe('Auction Parameters Functions', () => {
 						marketIndex: 2,
 						marketType: 'spot' as any,
 						direction: 'long' as any,
-						amount: '1000',
+						amount: new BN(1000).mul(BASE_PRECISION).toString(), // 1000 in BASE_PRECISION
 						assetType: 'base' as any,
 						auctionStartPriceOffsetFrom: 'marketBased' as any,
 						auctionStartPriceOffset: 'marketBased' as any,
@@ -631,7 +632,7 @@ describe('Auction Parameters Functions', () => {
 				marketIndex: 0, // Major market - would normally get 'mark' and 0
 				marketType: 'perp' as any,
 				direction: 'long' as any,
-				amount: '100',
+				amount: new BN(100).mul(BASE_PRECISION).toString(), // 100 in BASE_PRECISION
 				assetType: 'base' as any,
 				auctionStartPriceOffsetFrom: 'oracle' as any, // explicit value
 				auctionStartPriceOffset: 0.25, // explicit value
@@ -654,7 +655,7 @@ describe('Auction Parameters Functions', () => {
 				marketIndex: 1,
 				marketType: 'perp' as any,
 				direction: 'long' as any,
-				amount: '100',
+				amount: new BN(100).mul(BASE_PRECISION).toString(), // 100 in BASE_PRECISION
 				assetType: 'base' as any,
 				auctionStartPriceOffsetFrom: 'marketBased' as any,
 				auctionStartPriceOffset: 'marketBased' as any,
diff --git a/src/utils/utils.ts b/src/utils/utils.ts
index 9f6e758..9da5669 100644
--- a/src/utils/utils.ts
+++ b/src/utils/utils.ts
@@ -891,11 +891,8 @@ export const mapToMarketOrderParams = async (
 			? PositionDirection.LONG
 			: PositionDirection.SHORT;
 
-	// Convert amount string to BN based on assetType
-	const amount =
-		params.assetType === 'base'
-			? stringToBN(params.amount).mul(BASE_PRECISION)
-			: stringToBN(params.amount).mul(QUOTE_PRECISION);
+	// Convert amount string to BN - amount is already in base or quote precision
+	const amount = stringToBN(params.amount);
 
 	// Convert additionalEndPriceBuffer string to BN with PRICE_PRECISION (1e6) if provided
 	const additionalEndPriceBuffer = params.additionalEndPriceBuffer