diff --git a/crates/mako/src/module_graph.rs b/crates/mako/src/module_graph.rs
index cdff39630..be2ff8687 100644
--- a/crates/mako/src/module_graph.rs
+++ b/crates/mako/src/module_graph.rs
@@ -28,7 +28,9 @@ impl ModuleGraph {
     }
 
     pub fn get_entry_modules(&self) -> Vec<ModuleId> {
-        self.entries.iter().cloned().collect()
+        let mut entry_modules = self.entries.iter().cloned().collect::<Vec<ModuleId>>();
+        entry_modules.sort();
+        entry_modules
     }
 
     pub fn add_module(&mut self, module: Module) {
diff --git a/e2e/fixtures/css.css-merge-multi-entries/expect.js b/e2e/fixtures/css.css-merge-multi-entries/expect.js
new file mode 100644
index 000000000..3f5183464
--- /dev/null
+++ b/e2e/fixtures/css.css-merge-multi-entries/expect.js
@@ -0,0 +1,18 @@
+const assert = require("assert");
+const { parseBuildResult } = require("../../../scripts/test-utils");
+const { files } = parseBuildResult(__dirname);
+
+assert(
+  files['common.css'].includes(`
+body::after {
+  content: "common_1";
+}
+body::after {
+  content: "common_2";
+}
+body::after {
+  content: "common_3";
+}
+`.trim()),
+  "css merge in mpa should works"
+);
diff --git a/e2e/fixtures/css.css-merge-multi-entries/mako.config.json b/e2e/fixtures/css.css-merge-multi-entries/mako.config.json
new file mode 100644
index 000000000..67b207b0d
--- /dev/null
+++ b/e2e/fixtures/css.css-merge-multi-entries/mako.config.json
@@ -0,0 +1,21 @@
+{
+  "entry": {
+    "a": "./src/a.ts",
+    "b": "./src/b.ts",
+    "c": "./src/c.ts"
+  },
+  "codeSplitting": {
+    "strategy": "advanced",
+    "options": {
+      "minSize": 1,
+      "groups": [
+        {
+          "name": "common",
+          "allowChunks": "entry",
+          "minChunks": 2,
+          "minSize": 1
+        }
+      ]
+    }
+  }
+}
diff --git a/e2e/fixtures/css.css-merge-multi-entries/src/a.css b/e2e/fixtures/css.css-merge-multi-entries/src/a.css
new file mode 100644
index 000000000..b759bca08
--- /dev/null
+++ b/e2e/fixtures/css.css-merge-multi-entries/src/a.css
@@ -0,0 +1,3 @@
+body {
+  color: azure;
+}
diff --git a/e2e/fixtures/css.css-merge-multi-entries/src/a.ts b/e2e/fixtures/css.css-merge-multi-entries/src/a.ts
new file mode 100644
index 000000000..28e7e1fe4
--- /dev/null
+++ b/e2e/fixtures/css.css-merge-multi-entries/src/a.ts
@@ -0,0 +1,6 @@
+import "./common_1.css";
+import "./common_2.css";
+import "./common_3.css";
+import "./a.css";
+console.log('a');
+
diff --git a/e2e/fixtures/css.css-merge-multi-entries/src/b.css b/e2e/fixtures/css.css-merge-multi-entries/src/b.css
new file mode 100644
index 000000000..7cfe2bf44
--- /dev/null
+++ b/e2e/fixtures/css.css-merge-multi-entries/src/b.css
@@ -0,0 +1,3 @@
+body {
+  color: blue;
+}
diff --git a/e2e/fixtures/css.css-merge-multi-entries/src/b.ts b/e2e/fixtures/css.css-merge-multi-entries/src/b.ts
new file mode 100644
index 000000000..59ae557cc
--- /dev/null
+++ b/e2e/fixtures/css.css-merge-multi-entries/src/b.ts
@@ -0,0 +1,5 @@
+import "./common_2.css";
+import "./common_1.css";
+import "./common_3.css";
+import "./b.css";
+console.log('b');
diff --git a/e2e/fixtures/css.css-merge-multi-entries/src/c.css b/e2e/fixtures/css.css-merge-multi-entries/src/c.css
new file mode 100644
index 000000000..d30a50c8b
--- /dev/null
+++ b/e2e/fixtures/css.css-merge-multi-entries/src/c.css
@@ -0,0 +1,3 @@
+body {
+  color: cyan;
+}
diff --git a/e2e/fixtures/css.css-merge-multi-entries/src/c.ts b/e2e/fixtures/css.css-merge-multi-entries/src/c.ts
new file mode 100644
index 000000000..b67db9e8b
--- /dev/null
+++ b/e2e/fixtures/css.css-merge-multi-entries/src/c.ts
@@ -0,0 +1,4 @@
+import "./common_2.css";
+import "./common_3.css";
+import "./common_1.css";
+console.log("c");
diff --git a/e2e/fixtures/css.css-merge-multi-entries/src/common_1.css b/e2e/fixtures/css.css-merge-multi-entries/src/common_1.css
new file mode 100644
index 000000000..f56add4be
--- /dev/null
+++ b/e2e/fixtures/css.css-merge-multi-entries/src/common_1.css
@@ -0,0 +1,3 @@
+body::after {
+  content: "common_1";
+}
diff --git a/e2e/fixtures/css.css-merge-multi-entries/src/common_2.css b/e2e/fixtures/css.css-merge-multi-entries/src/common_2.css
new file mode 100644
index 000000000..b623e4d30
--- /dev/null
+++ b/e2e/fixtures/css.css-merge-multi-entries/src/common_2.css
@@ -0,0 +1,3 @@
+body::after {
+  content: "common_2";
+}
diff --git a/e2e/fixtures/css.css-merge-multi-entries/src/common_3.css b/e2e/fixtures/css.css-merge-multi-entries/src/common_3.css
new file mode 100644
index 000000000..e9ba2e9df
--- /dev/null
+++ b/e2e/fixtures/css.css-merge-multi-entries/src/common_3.css
@@ -0,0 +1,3 @@
+body::after {
+  content: "common_3";
+}