diff --git a/packages/cosmwasm-stargate/src/signingcosmwasmclient.spec.ts b/packages/cosmwasm-stargate/src/signingcosmwasmclient.spec.ts
index 64e5a113..9693e350 100644
--- a/packages/cosmwasm-stargate/src/signingcosmwasmclient.spec.ts
+++ b/packages/cosmwasm-stargate/src/signingcosmwasmclient.spec.ts
@@ -1192,7 +1192,7 @@ describe("SigningCosmWasmClient", () => {
         client.disconnect();
       });
 
-      it("works with a custom timeout height", async () => {
+      it("works with a custom timeoutHeight", async () => {
         pendingWithoutWasmd();
         const wallet = await DirectSecp256k1HdWallet.fromMnemonic(alice.mnemonic, { prefix: wasmd.prefix });
         const client = await SigningCosmWasmClient.connectWithSigner(wasmd.endpoint, wallet, {
@@ -1222,6 +1222,42 @@ describe("SigningCosmWasmClient", () => {
 
         client.disconnect();
       });
+
+      it("fails with past timeoutHeight", async () => {
+        pendingWithoutWasmd();
+        const wallet = await DirectSecp256k1HdWallet.fromMnemonic(alice.mnemonic, { prefix: wasmd.prefix });
+        const client = await SigningCosmWasmClient.connectWithSigner(wasmd.endpoint, wallet, {
+          ...defaultSigningClientOptions,
+        });
+
+        const msg = MsgSend.fromPartial({
+          fromAddress: alice.address0,
+          toAddress: alice.address0,
+          amount: [coin(1, "ucosm")],
+        });
+        const msgAny: MsgSendEncodeObject = {
+          typeUrl: "/cosmos.bank.v1beta1.MsgSend",
+          value: msg,
+        };
+        const fee = {
+          amount: coins(2000, "ucosm"),
+          gas: "222000", // 222k
+        };
+        const memo = "Use your power wisely";
+        const height = await client.getHeight();
+        const signed = await client.sign(alice.address0, [msgAny], fee, memo, undefined, BigInt(height - 1));
+
+        try {
+          await client.broadcastTx(Uint8Array.from(TxRaw.encode(signed).finish()));
+        } catch (e: any) {
+          assert(e.code === 30);
+          return;
+        } finally {
+          client.disconnect();
+        }
+
+        throw new Error("tx should have failed because of past timeoutHeight");
+      });
     });
 
     describe("legacy Amino mode", () => {
@@ -1469,6 +1505,42 @@ describe("SigningCosmWasmClient", () => {
 
         client.disconnect();
       });
+
+      it("fails with past timeoutHeight", async () => {
+        pendingWithoutWasmd();
+        const wallet = await Secp256k1HdWallet.fromMnemonic(alice.mnemonic, { prefix: wasmd.prefix });
+        const client = await SigningCosmWasmClient.connectWithSigner(wasmd.endpoint, wallet, {
+          ...defaultSigningClientOptions,
+        });
+
+        const msg = MsgSend.fromPartial({
+          fromAddress: alice.address0,
+          toAddress: alice.address0,
+          amount: [coin(1, "ucosm")],
+        });
+        const msgAny: MsgSendEncodeObject = {
+          typeUrl: "/cosmos.bank.v1beta1.MsgSend",
+          value: msg,
+        };
+        const fee = {
+          amount: coins(2000, "ucosm"),
+          gas: "200000",
+        };
+        const memo = "Use your tokens wisely";
+        const height = await client.getHeight();
+        const signed = await client.sign(alice.address0, [msgAny], fee, memo, undefined, BigInt(height - 1));
+
+        try {
+          await client.broadcastTx(Uint8Array.from(TxRaw.encode(signed).finish()));
+        } catch (e: any) {
+          assert(e.code === 30);
+          return;
+        } finally {
+          client.disconnect();
+        }
+
+        throw new Error("tx should have failed because of past timeoutHeight");
+      });
     });
   });
 });
diff --git a/packages/stargate/src/signingstargateclient.spec.ts b/packages/stargate/src/signingstargateclient.spec.ts
index 22e709b0..ef26449e 100644
--- a/packages/stargate/src/signingstargateclient.spec.ts
+++ b/packages/stargate/src/signingstargateclient.spec.ts
@@ -942,6 +942,44 @@ describe("SigningStargateClient", () => {
         const result = await client.broadcastTx(Uint8Array.from(TxRaw.encode(signed).finish()));
         assertIsDeliverTxSuccess(result);
       });
+
+      it("fails with past timeoutHeight", async () => {
+        pendingWithoutSimapp();
+        const wallet = await DirectSecp256k1HdWallet.fromMnemonic(faucet.mnemonic);
+        const client = await SigningStargateClient.connectWithSigner(
+          simapp.tendermintUrl,
+          wallet,
+          defaultSigningClientOptions,
+        );
+
+        const msg = MsgSend.fromPartial({
+          fromAddress: faucet.address0,
+          toAddress: faucet.address0,
+          amount: [coin(1, "ucosm")],
+        });
+        const msgAny: MsgSendEncodeObject = {
+          typeUrl: "/cosmos.bank.v1beta1.MsgSend",
+          value: msg,
+        };
+        const fee = {
+          amount: coins(2000, "ucosm"),
+          gas: "222000", // 222k
+        };
+        const memo = "Use your power wisely";
+        const height = await client.getHeight();
+        const signed = await client.sign(faucet.address0, [msgAny], fee, memo, undefined, BigInt(height - 1));
+
+        try {
+          await client.broadcastTx(Uint8Array.from(TxRaw.encode(signed).finish()));
+        } catch (e: any) {
+          assert(e.code === 30);
+          return;
+        } finally {
+          client.disconnect();
+        }
+
+        throw new Error("tx should have failed because of past timeoutHeight");
+      });
     });
 
     describe("legacy Amino mode", () => {
@@ -1183,6 +1221,44 @@ describe("SigningStargateClient", () => {
         const result = await client.broadcastTx(Uint8Array.from(TxRaw.encode(signed).finish()));
         assertIsDeliverTxSuccess(result);
       });
+
+      it("fails with past timeoutHeight", async () => {
+        pendingWithoutSimapp();
+        const wallet = await Secp256k1HdWallet.fromMnemonic(faucet.mnemonic);
+        const client = await SigningStargateClient.connectWithSigner(
+          simapp.tendermintUrl,
+          wallet,
+          defaultSigningClientOptions,
+        );
+
+        const msg = MsgSend.fromPartial({
+          fromAddress: faucet.address0,
+          toAddress: faucet.address0,
+          amount: [coin(1, "ucosm")],
+        });
+        const msgAny: MsgSendEncodeObject = {
+          typeUrl: "/cosmos.bank.v1beta1.MsgSend",
+          value: msg,
+        };
+        const fee = {
+          amount: coins(2000, "ucosm"),
+          gas: "200000",
+        };
+        const memo = "Use your tokens wisely";
+        const height = await client.getHeight();
+        const signed = await client.sign(faucet.address0, [msgAny], fee, memo, undefined, BigInt(height - 1));
+
+        try {
+          await client.broadcastTx(Uint8Array.from(TxRaw.encode(signed).finish()));
+        } catch (e: any) {
+          assert(e.code === 30);
+          return;
+        } finally {
+          client.disconnect();
+        }
+
+        throw new Error("tx should have failed because of past timeoutHeight");
+      });
     });
   });
 });