diff --git a/packages/core/core/src/requests/AssetGraphRequest.js b/packages/core/core/src/requests/AssetGraphRequest.js
index 37896f780f2..791bfd63baf 100644
--- a/packages/core/core/src/requests/AssetGraphRequest.js
+++ b/packages/core/core/src/requests/AssetGraphRequest.js
@@ -554,7 +554,7 @@ export class AssetGraphBuilder {
                           this.options.projectRoot,
                           loc?.filePath,
                         ) ?? undefined,
-                      language: assetNode.value.type,
+                      language: incomingDep.value.sourceAssetType ?? undefined,
                       codeHighlights: [
                         {
                           start: loc.start,
diff --git a/packages/core/integration-tests/test/integration/no-export-error-with-correct-filetype/package.json b/packages/core/integration-tests/test/integration/no-export-error-with-correct-filetype/package.json
new file mode 100644
index 00000000000..9baad30d43d
--- /dev/null
+++ b/packages/core/integration-tests/test/integration/no-export-error-with-correct-filetype/package.json
@@ -0,0 +1,3 @@
+{
+  "source": "src/App.jsx"
+}
diff --git a/packages/core/integration-tests/test/integration/no-export-error-with-correct-filetype/src/App.jsx b/packages/core/integration-tests/test/integration/no-export-error-with-correct-filetype/src/App.jsx
new file mode 100644
index 00000000000..95813b4cc76
--- /dev/null
+++ b/packages/core/integration-tests/test/integration/no-export-error-with-correct-filetype/src/App.jsx
@@ -0,0 +1,10 @@
+import React from "react";
+import { render } from "react-dom";
+
+import * as styles from "./app.module.css"
+
+const App = function() {
+    return <div className={styles.notExisting}></div>
+}
+
+render(<App/>, document.getElementById("app"))
diff --git a/packages/core/integration-tests/test/integration/no-export-error-with-correct-filetype/src/app.module.css b/packages/core/integration-tests/test/integration/no-export-error-with-correct-filetype/src/app.module.css
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/packages/core/integration-tests/test/postcss.js b/packages/core/integration-tests/test/postcss.js
index e4efd86bb28..07ebf71e3c4 100644
--- a/packages/core/integration-tests/test/postcss.js
+++ b/packages/core/integration-tests/test/postcss.js
@@ -623,4 +623,53 @@ describe('postcss', () => {
 
     await subscription.unsubscribe();
   });
+
+  it('should throw an error when importing a missing class', async function () {
+    await assert.rejects(
+      () =>
+        bundle(
+          path.join(
+            __dirname,
+            '/integration/no-export-error-with-correct-filetype/src/App.jsx',
+          ),
+          {
+            shouldDisableCache: true,
+            defaultTargetOptions: {
+              shouldScopeHoist: true,
+            },
+          },
+        ),
+      {
+        name: 'BuildError',
+        diagnostics: [
+          {
+            codeFrames: [
+              {
+                filePath: path.join(
+                  __dirname,
+                  '/integration/no-export-error-with-correct-filetype/src/App.jsx',
+                ),
+                language: 'js',
+                codeHighlights: [
+                  {
+                    end: {
+                      column: 45,
+                      line: 7,
+                    },
+                    start: {
+                      column: 28,
+                      line: 7,
+                    },
+                  },
+                ],
+              },
+            ],
+            message:
+              "integration/no-export-error-with-correct-filetype/src/app.module.css does not export 'notExisting'",
+            origin: '@parcel/core',
+          },
+        ],
+      },
+    );
+  });
 });