diff --git a/.changeset/light-ways-worry.md b/.changeset/light-ways-worry.md
new file mode 100644
index 000000000..343df3e7c
--- /dev/null
+++ b/.changeset/light-ways-worry.md
@@ -0,0 +1,5 @@
+---
+"@swapkit/toolbox-cosmos": patch
+---
+
+Fixes multisig signing and improves typing
diff --git a/packages/toolboxes/cosmos/src/thorchainUtils/messages.ts b/packages/toolboxes/cosmos/src/thorchainUtils/messages.ts
index a2c526db0..d5c58b8cb 100644
--- a/packages/toolboxes/cosmos/src/thorchainUtils/messages.ts
+++ b/packages/toolboxes/cosmos/src/thorchainUtils/messages.ts
@@ -13,8 +13,8 @@ import type { ThorcahinDepositTxParams, ThorchainTransferTxParams } from "./type
 
 type MsgSend = ReturnType<typeof transferMsgAmino>;
 type MsgDeposit = ReturnType<typeof depositMsgAmino>;
-type MsgSendForBroadcast = ReturnType<typeof prepareMessageForBroadcast>;
-type MsgDepositForBroadcast = ReturnType<typeof prepareMessageForBroadcast>;
+type MsgSendForBroadcast = ReturnType<typeof prepareMessageForBroadcast<MsgSend>>;
+type MsgDepositForBroadcast = ReturnType<typeof prepareMessageForBroadcast<MsgDeposit>>;
 
 export const THORCHAIN_GAS_VALUE = getDefaultChainFee(Chain.THORChain).gas;
 export const MAYA_GAS_VALUE = getDefaultChainFee(Chain.Maya).gas;
@@ -30,7 +30,7 @@ export const transferMsgAmino = ({
   assetValue: AssetValue;
   chain: Chain.THORChain | Chain.Maya;
 }) => ({
-  type: `${chain === Chain.Maya ? "mayachain" : "thorchain"}/MsgSend`,
+  type: `${chain === Chain.Maya ? "mayachain" : "thorchain"}/MsgSend` as const,
   value: {
     from_address: from,
     to_address: recipient,
@@ -55,7 +55,7 @@ export const depositMsgAmino = ({
   chain: Chain.THORChain | Chain.Maya;
 }) => {
   return {
-    type: `${chain === Chain.Maya ? "mayachain" : "thorchain"}/MsgDeposit`,
+    type: `${chain === Chain.Maya ? "mayachain" : "thorchain"}/MsgDeposit` as const,
     value: {
       coins: [
         {
@@ -156,7 +156,7 @@ export const buildDepositTx =
   async ({ from, assetValue, memo = "", chain, asSignable = true }: ThorcahinDepositTxParams) => {
     const account = await getAccount({ rpcUrl, from });
 
-    const preparedMessage = prepareMessageForBroadcast(
+    const preparedMessage = prepareMessageForBroadcast<MsgDeposit>(
       depositMsgAmino({ from, assetValue, memo, chain }),
     );
 
@@ -174,8 +174,8 @@ export const buildDepositTx =
     return transaction;
   };
 
-export const prepareMessageForBroadcast = (msg: MsgDeposit | MsgSend) => {
-  if (msg.type === "thorchain/MsgSend" || msg.type === "mayachain/MsgSend") return msg;
+export function prepareMessageForBroadcast<T extends MsgDeposit | MsgSend>(msg: T) {
+  if (msg.type === "thorchain/MsgSend" || msg.type === "mayachain/MsgSend") return msg as MsgSend;
 
   return {
     ...msg,
@@ -203,7 +203,7 @@ export const prepareMessageForBroadcast = (msg: MsgDeposit | MsgSend) => {
       }),
     },
   };
-};
+}
 
 export const buildEncodedTxBody = ({
   chain,
diff --git a/packages/toolboxes/cosmos/src/toolbox/thorchain.ts b/packages/toolboxes/cosmos/src/toolbox/thorchain.ts
index 7794922a6..381cc31b2 100644
--- a/packages/toolboxes/cosmos/src/toolbox/thorchain.ts
+++ b/packages/toolboxes/cosmos/src/toolbox/thorchain.ts
@@ -65,7 +65,21 @@ const signMultisigTx = async (
   tx: string,
   chain: Chain.THORChain | Chain.Maya,
 ) => {
-  const { msgs, accountNumber, sequence, chainId, fee, memo } = JSON.parse(tx);
+  const {
+    msgs,
+    accountNumber,
+    sequence,
+    chainId,
+    fee,
+    memo,
+  }: {
+    msgs: ReturnType<typeof prepareMessageForBroadcast>[];
+    accountNumber: number;
+    sequence: number;
+    chainId: ChainId;
+    fee: ReturnType<typeof getDefaultChainFee>;
+    memo: string;
+  } = JSON.parse(tx);
 
   const address = (await wallet.getAccounts())?.[0]?.address || "";
   const aminoTypes = await createDefaultAminoTypes(chain);
@@ -92,7 +106,7 @@ const signMultisigTx = async (
 
   const bodyBytes = await buildEncodedTxBody({
     chain,
-    msgs: msgs.map((msg: any) => prepareMessageForBroadcast(msg)),
+    msgs,
     memo,
   });