diff --git a/modules/sdk-core/src/bitgo/staking/iStakingWallet.ts b/modules/sdk-core/src/bitgo/staking/iStakingWallet.ts
index 37fc9f201a..8b23ea008c 100644
--- a/modules/sdk-core/src/bitgo/staking/iStakingWallet.ts
+++ b/modules/sdk-core/src/bitgo/staking/iStakingWallet.ts
@@ -170,7 +170,7 @@ export interface TaoStakeOptions extends StakeOptions {
   /**
    * tao staking netUID
    */
-  netUID?: number;
+  netUID?: string;
 }
 
 export interface UnstakeOptions {