diff --git a/apps/minifront/src/components/ibc/ibc-out/chain-selector.tsx b/apps/minifront/src/components/ibc/ibc-out/chain-selector.tsx
index 6b65e98363..3e6e49e45a 100644
--- a/apps/minifront/src/components/ibc/ibc-out/chain-selector.tsx
+++ b/apps/minifront/src/components/ibc/ibc-out/chain-selector.tsx
@@ -11,6 +11,7 @@ import { AllSlices } from '../../../state';
 import { Chain } from '@penumbra-labs/registry';
 import { useStoreShallow } from '../../../utils/use-store-shallow';
 import { useChains } from '../../../state/ibc-out';
+import { bech32ChainIds } from '../../../state/shared.ts';
 
 const chainSelectorSelector = (state: AllSlices) => ({
   chain: state.ibcOut.chain,
@@ -44,7 +45,7 @@ export const ChainSelector = () => {
         <SelectContent className='left-[-17px]'>
           {chains.data?.map((i, index) => (
             <SelectItem
-              disabled={i.chainId === 'noble-1'}
+              disabled={bech32ChainIds.includes(i.chainId)}
               key={index}
               value={i.displayName}
               className={cn(
diff --git a/apps/minifront/src/state/ibc-in/index.tsx b/apps/minifront/src/state/ibc-in/index.tsx
index b9ab5bc7c6..11f17a8b4a 100644
--- a/apps/minifront/src/state/ibc-in/index.tsx
+++ b/apps/minifront/src/state/ibc-in/index.tsx
@@ -20,6 +20,7 @@ import { currentTimePlusTwoDaysRounded } from '../ibc-out';
 import { EncodeObject } from '@cosmjs/proto-signing';
 import { MsgTransfer } from 'osmo-query/ibc/applications/transfer/v1/tx';
 import { parseRevisionNumberFromChainId } from './parse-revision-number-from-chain-id';
+import { bech32ChainIds } from '../shared.ts';
 
 export interface IbcInSlice {
   selectedChain?: ChainInfo;
@@ -64,7 +65,7 @@ export const createIbcInSlice = (): SliceCreator<IbcInSlice> => (set, get) => {
     address: undefined,
     setAddress: async () => {
       const { selectedChain, account } = get().ibcIn;
-      const penumbraAddress = await getPenumbraAddress(account, selectedChain?.chainName);
+      const penumbraAddress = await getPenumbraAddress(account, selectedChain?.chainId);
       if (penumbraAddress) {
         set(state => {
           state.ibcIn.address = penumbraAddress;
@@ -132,25 +133,19 @@ const getExplorerPage = (txHash: string, chainId?: string) => {
   return txPage.replace('${txHash}', txHash);
 };
 
-/**
- * For Noble specifically we need to use a Bech32 encoding rather than Bech32m,
- * because Noble currently has a middleware that decodes as Bech32.
- * Noble plans to change this at some point in the future but until then we need
- * to use a special encoding just for Noble specifically.
- */
-const bech32Chains = ['noble', 'nobletestnet'];
-const getCompatibleBech32 = (chainName: string, address: Address): string => {
-  return bech32Chains.includes(chainName) ? bech32CompatAddress(address) : bech32mAddress(address);
+const getCompatibleBech32 = (chainId: string, address: Address): string => {
+  return bech32ChainIds.includes(chainId) ? bech32CompatAddress(address) : bech32mAddress(address);
 };
+
 export const getPenumbraAddress = async (
   account: number,
-  chainName?: string,
+  chainId?: string,
 ): Promise<string | undefined> => {
-  if (!chainName) {
+  if (!chainId) {
     return undefined;
   }
   const receiverAddress = await getAddrByIndex(account, true);
-  return getCompatibleBech32(chainName, receiverAddress);
+  return getCompatibleBech32(chainId, receiverAddress);
 };
 
 const estimateFee = async ({
@@ -201,7 +196,7 @@ async function execute(
     throw new Error('Penumbra chain id could not be retrieved');
   }
 
-  const penumbraAddress = await getPenumbraAddress(account, selectedChain.chainName);
+  const penumbraAddress = await getPenumbraAddress(account, selectedChain.chainId);
   if (!penumbraAddress) {
     throw new Error('Penumbra address not available');
   }
diff --git a/apps/minifront/src/state/ibc-out.ts b/apps/minifront/src/state/ibc-out.ts
index 8d934608fa..3ff594eed0 100644
--- a/apps/minifront/src/state/ibc-out.ts
+++ b/apps/minifront/src/state/ibc-out.ts
@@ -23,7 +23,7 @@ import { Chain } from '@penumbra-labs/registry';
 import { Metadata } from '@buf/penumbra-zone_penumbra.bufbuild_es/penumbra/core/asset/v1/asset_pb.js';
 import { Channel } from '@buf/cosmos_ibc.bufbuild_es/ibc/core/channel/v1/channel_pb.js';
 import { BLOCKS_PER_HOUR } from './constants';
-import { ZQueryState, createZQuery } from '@penumbra-zone/zquery';
+import { createZQuery, ZQueryState } from '@penumbra-zone/zquery';
 import { getChains } from '../fetchers/registry';
 
 export const { chains, useChains } = createZQuery({
@@ -211,6 +211,8 @@ const getPlanRequest = async ({
         timeoutHeight,
         timeoutTime,
         sourceChannel: chain.channelId,
+        // TODO: after updating bufbuild types, uncomment this
+        // useCompatAddress: bech32ChainIds.includes(chain.chainId),
       },
     ],
     source: addressIndex,
diff --git a/apps/minifront/src/state/shared.ts b/apps/minifront/src/state/shared.ts
index 276e2403fd..38f894f1b6 100644
--- a/apps/minifront/src/state/shared.ts
+++ b/apps/minifront/src/state/shared.ts
@@ -1,4 +1,4 @@
-import { ZQueryState, createZQuery } from '@penumbra-zone/zquery';
+import { createZQuery, ZQueryState } from '@penumbra-zone/zquery';
 import { SliceCreator, useStore } from '.';
 import { getStakingTokenMetadata } from '../fetchers/registry';
 import { Metadata } from '@buf/penumbra-zone_penumbra.bufbuild_es/penumbra/core/asset/v1/asset_pb.js';
@@ -9,6 +9,17 @@ import { Address } from '@buf/penumbra-zone_penumbra.bufbuild_es/penumbra/core/k
 import { getAddress, getAddressIndex } from '@penumbra-zone/getters/address-view';
 import { AbridgedZQueryState } from '@penumbra-zone/zquery/src/types';
 
+/**
+ * For Noble specifically we need to use a Bech32 encoding rather than Bech32m,
+ * because Noble currently has a middleware that decodes as Bech32.
+ * Noble plans to change this at some point in the future but until then we need
+ * to use a special encoding just for Noble specifically.
+ */
+export const bech32ChainIds = [
+  'noble-1', // noble mainnet
+  'grand-1', // noble testnet
+];
+
 export const { stakingTokenMetadata, useStakingTokenMetadata } = createZQuery({
   name: 'stakingTokenMetadata',
   fetch: getStakingTokenMetadata,