diff --git a/.changeset/nice-crews-beg.md b/.changeset/nice-crews-beg.md
new file mode 100644
index 00000000000..1fbea3abe63
--- /dev/null
+++ b/.changeset/nice-crews-beg.md
@@ -0,0 +1,5 @@
+---
+'@module-federation/modern-js': patch
+---
+
+fix(modernjs): auto set enableAsyncEntry when bundler is rspack
diff --git a/packages/modernjs/src/cli/configPlugin.ts b/packages/modernjs/src/cli/configPlugin.ts
index 125af5b49c2..e816c5e13cf 100644
--- a/packages/modernjs/src/cli/configPlugin.ts
+++ b/packages/modernjs/src/cli/configPlugin.ts
@@ -127,6 +127,10 @@ export const moduleFederationConfigPlugin = (
               FEDERATION_IPV4: JSON.stringify(ipv4),
               REMOTE_IP_STRATEGY: JSON.stringify(userConfig.remoteIpStrategy),
             },
+            enableAsyncEntry:
+              bundlerType === 'rspack'
+                ? modernjsConfig.source?.enableAsyncEntry ?? true
+                : modernjsConfig.source?.enableAsyncEntry,
           },
           dev: {
             assetPrefix: modernjsConfig?.dev?.assetPrefix
diff --git a/packages/modernjs/src/cli/ssrPlugin.ts b/packages/modernjs/src/cli/ssrPlugin.ts
index 0f90dc809f8..aaa12583792 100644
--- a/packages/modernjs/src/cli/ssrPlugin.ts
+++ b/packages/modernjs/src/cli/ssrPlugin.ts
@@ -42,16 +42,7 @@ export const moduleFederationSSRPlugin = (
         return { entrypoint, plugins };
       },
       config: async () => {
-        const bundlerType =
-          useAppContext().bundlerType === 'rspack' ? 'rspack' : 'webpack';
-
         return {
-          source: {
-            enableAsyncEntry:
-              bundlerType === 'rspack'
-                ? modernjsConfig.source?.enableAsyncEntry ?? true
-                : modernjsConfig.source?.enableAsyncEntry,
-          },
           tools: {
             rspack(config, { isServer }) {
               if (isServer) {