diff --git a/src/@types/Erc20.ts b/src/@types/Erc20.ts
index 15715c98..96cdb2bb 100644
--- a/src/@types/Erc20.ts
+++ b/src/@types/Erc20.ts
@@ -24,7 +24,7 @@ export interface PublishingMarketFee {
   publishMarketFeeAmount: string
 }
 
-export interface Roles {
+export interface DatatokenRoles {
   minter: boolean
   paymentManager: boolean
 }
diff --git a/src/contracts/tokens/Datatoken.ts b/src/contracts/tokens/Datatoken.ts
index 53779474..962937b4 100644
--- a/src/contracts/tokens/Datatoken.ts
+++ b/src/contracts/tokens/Datatoken.ts
@@ -21,7 +21,7 @@ import {
   PublishingMarketFee,
   DispenserParams,
   OrderParams,
-  Roles
+  DatatokenRoles
 } from '../../@types'
 import { Nft } from './NFT'
 import { Config, ConfigHelper } from '../../config'
@@ -1215,9 +1215,12 @@ export class Datatoken {
   /** Returns ERC20 user's permissions for a datatoken
    * @param {String} dtAddress Datatoken adress
    * @param {String} address user adress
-   * @return {Promise<Roles>}
+   * @return {Promise<DatatokenRoles>}
    */
-  public async getDTPermissions(dtAddress: string, address: string): Promise<Roles> {
+  public async getDTPermissions(
+    dtAddress: string,
+    address: string
+  ): Promise<DatatokenRoles> {
     const dtContract = setContractDefaults(
       new this.web3.eth.Contract(this.datatokensAbi, dtAddress),
       this.config