diff --git a/packages/playwright-test/src/matchers/toMatchSnapshot.ts b/packages/playwright-test/src/matchers/toMatchSnapshot.ts
index 5fb1e38c43..3bf5622794 100644
--- a/packages/playwright-test/src/matchers/toMatchSnapshot.ts
+++ b/packages/playwright-test/src/matchers/toMatchSnapshot.ts
@@ -243,6 +243,8 @@ export function toMatchSnapshot(
   const testInfo = currentTestInfo();
   if (!testInfo)
     throw new Error(`toMatchSnapshot() must be called during the test`);
+  if (received instanceof Promise)
+    throw new Error('An unresolved Promise was passed to toMatchSnapshot(), make sure to resolve it by adding await to it.');
   const helper = new SnapshotHelper(
       testInfo, testInfo.snapshotPath.bind(testInfo), determineFileExtension(received),
       testInfo.project.expect?.toMatchSnapshot || {},
diff --git a/tests/playwright-test/golden.spec.ts b/tests/playwright-test/golden.spec.ts
index 33a98144b3..86681c024a 100644
--- a/tests/playwright-test/golden.spec.ts
+++ b/tests/playwright-test/golden.spec.ts
@@ -922,3 +922,17 @@ test('should allow comparing text with text without file extension', async ({ ru
   });
   expect(result.exitCode).toBe(0);
 });
+
+test('should throw if a Promise was passed to toMatchSnapshot', async ({ runInlineTest }) => {
+  const result = await runInlineTest({
+    ...files,
+    'a.spec.js': `
+      const { test } = require('./helper');
+      test('is a test', ({}) => {
+        expect(() => expect(new Promise(() => {})).toMatchSnapshot('foobar')).toThrow(/An unresolved Promise was passed to toMatchSnapshot\\(\\), make sure to resolve it by adding await to it./);
+      });
+    `
+  });
+  expect(result.exitCode).toBe(0);
+  expect(result.passed).toBe(1);
+});