diff --git a/.changeset/smooth-walls-glow.md b/.changeset/smooth-walls-glow.md
new file mode 100644
index 00000000000..4597e44571e
--- /dev/null
+++ b/.changeset/smooth-walls-glow.md
@@ -0,0 +1,5 @@
+---
+"thirdweb": patch
+---
+
+Ensure smart accounts are deployed before validating signatures
diff --git a/packages/thirdweb/src/wallets/smart/index.ts b/packages/thirdweb/src/wallets/smart/index.ts
index 27c95b84a06..66dc28a58b4 100644
--- a/packages/thirdweb/src/wallets/smart/index.ts
+++ b/packages/thirdweb/src/wallets/smart/index.ts
@@ -256,6 +256,11 @@ async function createSmartAccount(
           account,
           accountContract,
         });
+        // the bundler and rpc might not be in sync, so while the bundler has a transaction hash for the deployment,
+        // the rpc might not have it yet, so we wait until the rpc confirms the contract is deployed
+        await confirmContractDeployment({
+          accountContract,
+        });
       }
 
       const originalMsgHash = hashMessage(message);
@@ -344,6 +349,11 @@ async function createSmartAccount(
           account,
           accountContract,
         });
+        // the bundler and rpc might not be in sync, so while the bundler has a transaction hash for the deployment,
+        // the rpc might not have it yet, so we wait until the rpc confirms the contract is deployed
+        await confirmContractDeployment({
+          accountContract,
+        });
       }
 
       const originalMsgHash = hashTypedData(typedData);
@@ -607,3 +617,24 @@ async function _sendUserOp(args: {
     transactionHash: receipt.transactionHash,
   };
 }
+
+async function confirmContractDeployment(args: {
+  accountContract: ThirdwebContract;
+}) {
+  const { accountContract } = args;
+  const startTime = Date.now();
+  const timeout = 60000; // wait 1 minute max
+  const { isContractDeployed } = await import(
+    "../../utils/bytecode/is-contract-deployed.js"
+  );
+  let isDeployed = await isContractDeployed(accountContract);
+  while (!isDeployed) {
+    if (Date.now() - startTime > timeout) {
+      throw new Error(
+        "Timeout: Smart account deployment not confirmed after 1 minute",
+      );
+    }
+    await new Promise((resolve) => setTimeout(resolve, 500));
+    isDeployed = await isContractDeployed(accountContract);
+  }
+}
diff --git a/packages/thirdweb/src/wallets/smart/smart-wallet-dev.test.ts b/packages/thirdweb/src/wallets/smart/smart-wallet-dev.test.ts
index f4616b3f1d4..b6e03672e2b 100644
--- a/packages/thirdweb/src/wallets/smart/smart-wallet-dev.test.ts
+++ b/packages/thirdweb/src/wallets/smart/smart-wallet-dev.test.ts
@@ -2,7 +2,6 @@ import { beforeAll, describe, expect, it } from "vitest";
 import { TEST_CLIENT } from "../../../test/src/test-clients.js";
 import { arbitrumSepolia } from "../../chains/chain-definitions/arbitrum-sepolia.js";
 import { type ThirdwebContract, getContract } from "../../contract/contract.js";
-
 import { balanceOf } from "../../extensions/erc1155/__generated__/IERC1155/read/balanceOf.js";
 import { claimTo } from "../../extensions/erc1155/drops/write/claimTo.js";
 import { sendAndConfirmTransaction } from "../../transaction/actions/send-and-confirm-transaction.js";
@@ -62,6 +61,12 @@ describe.runIf(process.env.TW_SECRET_KEY).skip.sequential(
       expect(smartWalletAddress).toHaveLength(42);
     });
 
+    it("can sign a msg", async () => {
+      await smartAccount.signMessage({ message: "hello world" });
+      const isDeployed = await isContractDeployed(accountContract);
+      expect(isDeployed).toEqual(true);
+    });
+
     it("can execute a tx", async () => {
       const tx = await sendAndConfirmTransaction({
         transaction: claimTo({