diff --git a/apps/docs/docs/getting-started/setup.mdx b/apps/docs/docs/getting-started/setup.mdx
index db7110d9..af4e9d87 100644
--- a/apps/docs/docs/getting-started/setup.mdx
+++ b/apps/docs/docs/getting-started/setup.mdx
@@ -72,14 +72,17 @@ import { chainSpec } from "polkadot-api/chains/polkadot";
 import { getSmProvider } from "polkadot-api/sm-provider";
 import { startFromWorker } from "polkadot-api/smoldot/from-worker";
 
-const smoldot = startFromWorker(new SmWorker());
-const chain = smoldot.addChain({ chainSpec });
+const smoldot = startFromWorker(
+  new Worker(new URL("polkadot-api/smoldot/worker", import.meta.url), {
+    type: "module",
+  }),
+);
 
 const config: Config = {
   chains: {
     polkadot: {
       descriptor: polkadot,
-      provider: getSmProvider(chain),
+      provider: getSmProvider(smoldot.addChain({ chainSpec })),
     },
   },
   wallets: [new InjectedConnector()],
diff --git a/apps/example/src/config.ts b/apps/example/src/config.ts
index e33bccee..1353050c 100644
--- a/apps/example/src/config.ts
+++ b/apps/example/src/config.ts
@@ -4,10 +4,11 @@ import type { Config } from "@reactive-dot/types";
 import { getSmProvider } from "polkadot-api/sm-provider";
 import { startFromWorker } from "polkadot-api/smoldot/from-worker";
 
-const createSmoldotWorker = () =>
+const smoldotPromise = startFromWorker(
   new Worker(new URL("polkadot-api/smoldot/worker", import.meta.url), {
     type: "module",
-  });
+  }),
+);
 
 const config: Config = {
   chains: {
@@ -15,7 +16,7 @@ const config: Config = {
       descriptor: polkadot,
       provider: getSmProvider(
         import("polkadot-api/chains/polkadot").then(({ chainSpec }) =>
-          startFromWorker(createSmoldotWorker()).addChain({ chainSpec }),
+          smoldotPromise.addChain({ chainSpec }),
         ),
       ),
     },
@@ -23,7 +24,7 @@ const config: Config = {
       descriptor: kusama,
       provider: getSmProvider(
         import("polkadot-api/chains/ksmcc3").then(({ chainSpec }) =>
-          startFromWorker(createSmoldotWorker()).addChain({ chainSpec }),
+          smoldotPromise.addChain({ chainSpec }),
         ),
       ),
     },
@@ -31,7 +32,7 @@ const config: Config = {
       descriptor: westend,
       provider: getSmProvider(
         import("polkadot-api/chains/westend2").then(({ chainSpec }) =>
-          startFromWorker(createSmoldotWorker()).addChain({ chainSpec }),
+          smoldotPromise.addChain({ chainSpec }),
         ),
       ),
     },