diff --git a/packages/core/core/src/SymbolPropagation.js b/packages/core/core/src/SymbolPropagation.js
index 720a28c1d03..3758c78bc02 100644
--- a/packages/core/core/src/SymbolPropagation.js
+++ b/packages/core/core/src/SymbolPropagation.js
@@ -426,7 +426,11 @@ export function propagateSymbols({
               assetGraph.getNodeIdByContentKey(incomingDep.id),
             );
             let resolution = nullthrows(assetGraph.getNode(resolutionNodeId));
-            invariant(resolution && resolution.type === 'asset_group');
+            invariant(
+              resolution &&
+                (resolution.type === 'asset_group' ||
+                  resolution.type === 'asset'),
+            );
 
             errors.push({
               message: md`${fromProjectPathRelative(
diff --git a/packages/core/integration-tests/test/integration/multi-asset-transformer-export/.parcelrc b/packages/core/integration-tests/test/integration/multi-asset-transformer-export/.parcelrc
new file mode 100644
index 00000000000..d1ccb1a6187
--- /dev/null
+++ b/packages/core/integration-tests/test/integration/multi-asset-transformer-export/.parcelrc
@@ -0,0 +1,6 @@
+{
+  "extends": "@parcel/config-default",
+  "transformers": {
+    "*.js": ["parcel-transformer-test", "..."]
+  }
+}
diff --git a/packages/core/integration-tests/test/integration/multi-asset-transformer-export/index.js b/packages/core/integration-tests/test/integration/multi-asset-transformer-export/index.js
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/packages/core/integration-tests/test/integration/multi-asset-transformer-export/node_modules/parcel-transformer-test/index.js b/packages/core/integration-tests/test/integration/multi-asset-transformer-export/node_modules/parcel-transformer-test/index.js
new file mode 100644
index 00000000000..75ca94d6ada
--- /dev/null
+++ b/packages/core/integration-tests/test/integration/multi-asset-transformer-export/node_modules/parcel-transformer-test/index.js
@@ -0,0 +1,11 @@
+const {Transformer} = require('@parcel/plugin');
+
+module.exports = new Transformer({
+  transform({asset}) {
+    let a = `import {foo} from "x";\nconsole.log(foo);`;
+    let b = `export const bar = 2;`;
+
+    asset.setCode(a);
+    return [asset, {type: 'js', content: b, uniqueKey: 'x'}];
+  },
+});
diff --git a/packages/core/integration-tests/test/integration/multi-asset-transformer-export/node_modules/parcel-transformer-test/package.json b/packages/core/integration-tests/test/integration/multi-asset-transformer-export/node_modules/parcel-transformer-test/package.json
new file mode 100644
index 00000000000..17b6afe6dc0
--- /dev/null
+++ b/packages/core/integration-tests/test/integration/multi-asset-transformer-export/node_modules/parcel-transformer-test/package.json
@@ -0,0 +1,4 @@
+{
+  "name": "parcel-transformer-test",
+  "version": "1.0.0"
+}
diff --git a/packages/core/integration-tests/test/integration/multi-asset-transformer-export/yarn.lock b/packages/core/integration-tests/test/integration/multi-asset-transformer-export/yarn.lock
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/packages/core/integration-tests/test/plugin.js b/packages/core/integration-tests/test/plugin.js
index 262400b4a9b..1c81cd8081d 100644
--- a/packages/core/integration-tests/test/plugin.js
+++ b/packages/core/integration-tests/test/plugin.js
@@ -244,6 +244,52 @@ parcel-transformer-b`,
     assert.equal(await run(b), 2);
   });
 
+  it('throws when multiple assets returned by a transformer import a missing symbol', async function () {
+    let source = path.join(
+      __dirname,
+      '/integration/multi-asset-transformer-export/index.js',
+    );
+    let message = `index.js does not export 'foo'`;
+
+    // $FlowFixMe[prop-missing]
+    await assert.rejects(
+      () =>
+        bundle(source, {
+          defaultTargetOptions: {
+            shouldScopeHoist: true,
+          },
+        }),
+      {
+        name: 'BuildError',
+        message,
+        diagnostics: [
+          {
+            message,
+            origin: '@parcel/core',
+            codeFrames: [
+              {
+                filePath: source,
+                language: 'js',
+                codeHighlights: [
+                  {
+                    start: {
+                      line: 1,
+                      column: 9,
+                    },
+                    end: {
+                      line: 1,
+                      column: 11,
+                    },
+                  },
+                ],
+              },
+            ],
+          },
+        ],
+      },
+    );
+  });
+
   it('should allow resolvers to invalidateOnEnvChange', async () => {
     async function assertAsset(replacedCode) {
       let b = await bundle(