diff --git a/.changeset/real-crews-hide.md b/.changeset/real-crews-hide.md
new file mode 100644
index 0000000000..11aecc8d70
--- /dev/null
+++ b/.changeset/real-crews-hide.md
@@ -0,0 +1,5 @@
+---
+"@latticexyz/cli": patch
+---
+
+We fixed a bug in the deploy script that would cause the deployment to fail if a non-root namespace was used in the config.
diff --git a/packages/cli/src/utils/deploy.ts b/packages/cli/src/utils/deploy.ts
index b3eb22ab02..68f725b8ad 100644
--- a/packages/cli/src/utils/deploy.ts
+++ b/packages/cli/src/utils/deploy.ts
@@ -23,6 +23,7 @@ import { postDeploy } from "./utils/postDeploy";
 import { setInternalFeePerGas } from "./utils/setInternalFeePerGas";
 import { toBytes16 } from "./utils/toBytes16";
 import { ContractCode } from "./utils/types";
+import { resourceIdToHex } from "@latticexyz/common";
 
 export interface DeployConfig {
   profile?: string;
@@ -151,7 +152,7 @@ export async function deploy(
       nonce: nonce++,
       contract: worldContract,
       func: "registerNamespace",
-      args: [toBytes16(mudConfig.namespace)],
+      args: [resourceIdToHex({ type: "namespace", namespace: mudConfig.namespace, name: "" })],
     });
     console.log(chalk.green("Namespace registered"));
   }