diff --git a/components/dataViews/TransactionInfo/TxMsgTransferDetails.tsx b/components/dataViews/TransactionInfo/TxMsgTransferDetails.tsx
index 66f8e829..2e33484f 100644
--- a/components/dataViews/TransactionInfo/TxMsgTransferDetails.tsx
+++ b/components/dataViews/TransactionInfo/TxMsgTransferDetails.tsx
@@ -10,7 +10,7 @@ interface TxMsgTransferDetailsProps {
 const TxMsgTransferDetails = ({ msg }: TxMsgTransferDetailsProps) => {
   const { state } = useAppContext();
 
-  const timeoutDateObj = new Date(msg.value.timeoutTimestamp / 1000000);
+  const timeoutDateObj = new Date(msg.value.timeoutTimestamp.divide(1_000_000).toNumber());
   const timeoutDate = timeoutDateObj.toLocaleDateString();
   const timeoutTime = timeoutDateObj.toLocaleTimeString();
 
diff --git a/components/forms/CreateTxForm/MsgForm/MsgTransferForm.tsx b/components/forms/CreateTxForm/MsgForm/MsgTransferForm.tsx
index 605c5131..ddf54fe3 100644
--- a/components/forms/CreateTxForm/MsgForm/MsgTransferForm.tsx
+++ b/components/forms/CreateTxForm/MsgForm/MsgTransferForm.tsx
@@ -1,4 +1,5 @@
 import { assert } from "@cosmjs/utils";
+import Long from "long";
 import { useEffect, useState } from "react";
 import { MsgGetter } from "..";
 import { useAppContext } from "../../../../context/AppContext";
@@ -106,8 +107,8 @@ const MsgTransferForm = ({ fromAddress, setMsgGetter, deleteMsg }: MsgTransferFo
 
     const timeoutTimestamp =
       selectedTimestamp.label === "custom"
-        ? Number(customTimestamp)
-        : (Date.now() + selectedTimestamp.value) * 1000000; // In nanoseconds
+        ? Long.fromString(customTimestamp)
+        : Long.fromNumber(Date.now() + selectedTimestamp.value, true).multiply(1_000_000); // In nanoseconds
 
     const msg: TxMsgTransfer = {
       typeUrl: "/ibc.applications.transfer.v1.MsgTransfer",
diff --git a/types/txMsg.ts b/types/txMsg.ts
index 3308fd3b..cc0decbc 100644
--- a/types/txMsg.ts
+++ b/types/txMsg.ts
@@ -1,4 +1,5 @@
-import { Coin } from "@cosmjs/amino";
+import { MsgTransferEncodeObject } from "@cosmjs/stargate";
+import { MsgTransfer } from "cosmjs-types/ibc/applications/transfer/v1/tx";
 
 export type MsgType =
   | "send"
@@ -71,15 +72,12 @@ export interface TxMsgSetWithdrawAddress {
   };
 }
 
-export interface TxMsgTransfer {
-  readonly typeUrl: "/ibc.applications.transfer.v1.MsgTransfer";
-  readonly value: {
-    readonly sourcePort: string;
-    readonly sourceChannel: string;
-    readonly token: Coin;
-    readonly sender: string;
-    readonly receiver: string;
-    readonly timeoutTimestamp: number;
-    readonly memo: string;
-  };
+type OmmitedMsgTransfer = Omit<MsgTransfer, "timeoutHeight" | "memo">;
+type MsgTransferRequiredToken = OmmitedMsgTransfer & Required<Pick<OmmitedMsgTransfer, "token">>;
+interface MsgTransferOptionalMemo extends MsgTransferRequiredToken {
+  readonly memo?: string;
+}
+
+export interface TxMsgTransfer extends MsgTransferEncodeObject {
+  readonly value: Readonly<MsgTransferOptionalMemo>;
 }