diff --git a/package.json b/package.json
index 44c9213..f1eb113 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@spectrumlabs/cardano-dex-sdk",
-  "version": "0.1.195",
+  "version": "0.1.196",
   "description": "ErgoDEX SDK for Cardano",
   "main": "build/main/index.js",
   "typings": "build/main/index.d.ts",
diff --git a/src/amm/interpreters/ammActions.ts b/src/amm/interpreters/ammActions.ts
index bf9b161..9ff36a1 100644
--- a/src/amm/interpreters/ammActions.ts
+++ b/src/amm/interpreters/ammActions.ts
@@ -41,6 +41,7 @@ class DefaultAmmActions implements AmmActions {
     return {
       inputs:         ctx.inputs,
       outputs:        outputs,
+      collateral:     ctx.collateralInputs,
       changeAddr:     ctx.changeAddr,
       mintingScripts: mintAssets,
       ttl:            ctx.ttl
diff --git a/src/amm/interpreters/ammTxBuilder/ammTxBuilder.ts b/src/amm/interpreters/ammTxBuilder/ammTxBuilder.ts
index d9efcc7..fb8ec0c 100644
--- a/src/amm/interpreters/ammTxBuilder/ammTxBuilder.ts
+++ b/src/amm/interpreters/ammTxBuilder/ammTxBuilder.ts
@@ -11,6 +11,7 @@ import {PoolCreationParams, PoolCreationTxBuilder, PoolCreationTxInfo} from "./p
 import {RedeemAmmTxBuilder, RedeemParams, RedeemTxInfo} from "./redeemAmmTxBuilder"
 import {SwapAmmTxBuilder, SwapParams, SwapTxInfo} from "./swapAmmTxBuilder"
 import {FullTxIn} from "../../../cardano/entities/txIn"
+import {CollateralSelector} from "../../../cardano/wallet/collateralSelector"
 
 export interface AmmTxBuilder {
   swap(params: SwapParams): Promise<[Transaction | null, TxCandidate, SwapTxInfo, Error | null]>;
@@ -39,13 +40,14 @@ export class DefaultAmmTxCandidateBuilder implements AmmTxBuilder {
     ammActions: AmmActions,
     inputSelector: InputSelector,
     private inputCollector: InputCollector,
+    collateralSelector: CollateralSelector,
     R: CardanoWasm,
     private txAsm: TxAsm
   ) {
     this.swapAmmTxBuilder = new SwapAmmTxBuilder(txMath, ammOuptuts, ammActions, inputSelector, R)
     this.redeemAmmTxBuilder = new RedeemAmmTxBuilder(txMath, ammOuptuts, ammActions, inputSelector, R)
     this.depositAmmTxBuilder = new DepositAmmTxBuilder(txMath, ammOuptuts, ammActions, inputSelector, R)
-    this.poolTxBuilder = new PoolCreationTxBuilder(txMath, ammOuptuts, ammActions, inputSelector)
+    this.poolTxBuilder = new PoolCreationTxBuilder(txMath, ammOuptuts, ammActions, inputSelector, collateralSelector)
   }
 
   async swap(
diff --git a/src/amm/interpreters/ammTxBuilder/poolCreationTxBuilder.ts b/src/amm/interpreters/ammTxBuilder/poolCreationTxBuilder.ts
index 71b1600..de63eac 100644
--- a/src/amm/interpreters/ammTxBuilder/poolCreationTxBuilder.ts
+++ b/src/amm/interpreters/ammTxBuilder/poolCreationTxBuilder.ts
@@ -13,6 +13,7 @@ import {OrderKind} from "../../models/opRequests"
 import {AmmActions} from "../ammActions"
 import {AmmOutputs} from "../ammOutputs"
 import {selectInputs} from "./selectInputs"
+import {CollateralSelector} from "../../../cardano/wallet/collateralSelector"
 
 export interface PoolCreationParams {
   readonly x: AssetAmount
@@ -27,6 +28,7 @@ export interface PoolCreationParams {
   readonly txFees: AmmTxFeeMapping
   readonly changeAddress: Addr
   readonly pk: PubKeyHash
+  readonly collateralAmount: bigint;
 }
 
 export interface PoolCreationTxInfo {
@@ -43,6 +45,7 @@ export class PoolCreationTxBuilder {
     private ammOutputs: AmmOutputs,
     private ammActions: AmmActions,
     private inputSelector: InputSelector,
+    private collateralSelector: CollateralSelector
   ) {
   }
 
@@ -51,6 +54,7 @@ export class PoolCreationTxBuilder {
     const totalOrderBudget = add(orderBudget, AdaEntry(userTxFee || params.txFees.poolCreation))
 
 
+    const collateralOrError = await this.collateralSelector.getCollateral(params.collateralAmount);
     const inputsOrError = await selectInputs(totalOrderBudget, params.changeAddress, this.inputSelector, allInputs, this.txMath)
     const inputForMinting = await  this
         .inputSelector
@@ -59,6 +63,9 @@ export class PoolCreationTxBuilder {
     if (inputForMinting instanceof Error) {
       throw inputForMinting
     }
+    if (collateralOrError instanceof Error) {
+      throw collateralOrError;
+    }
 
     const inputs: FullTxIn[] = inputsOrError instanceof Error ? [] : inputsOrError
 
@@ -101,7 +108,7 @@ export class PoolCreationTxBuilder {
         },
         {
           changeAddr: params.changeAddress,
-          collateralInputs: [],
+          collateralInputs: collateralOrError,
           inputs: Object.values(inputsDictionary)
         }
       ),
diff --git a/src/cardano/wallet/entities/txContext.ts b/src/cardano/wallet/entities/txContext.ts
index 86df78a..d82daa5 100644
--- a/src/cardano/wallet/entities/txContext.ts
+++ b/src/cardano/wallet/entities/txContext.ts
@@ -1,10 +1,9 @@
 import {Addr} from "../../entities/address"
 import {FullTxIn} from "../../entities/txIn"
-import {TxOut} from "../../entities/txOut"
 
 export type TxContext = {
   inputs: FullTxIn[]
-  collateralInputs: TxOut[]
+  collateralInputs: FullTxIn[]
   changeAddr: Addr
   ttl?: number
 }