diff --git a/packages/webamp/demo/skins/My_Funny_Valentine.wsz b/packages/webamp/demo/skins/My_Funny_Valentine.wsz
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diff --git a/packages/webamp/js/__tests__/__image_snapshots__/baseline-integration-test-js-should-render-a-skin-that-has-files-that-only-differ-by-case-main-bmp-and-main-bmp-1-snap.png b/packages/webamp/js/__tests__/__image_snapshots__/baseline-integration-test-js-should-render-a-skin-that-has-files-that-only-differ-by-case-main-bmp-and-main-bmp-1-snap.png
new file mode 100644
index 00000000..fbc202b1
Binary files /dev/null and b/packages/webamp/js/__tests__/__image_snapshots__/baseline-integration-test-js-should-render-a-skin-that-has-files-that-only-differ-by-case-main-bmp-and-main-bmp-1-snap.png differ
diff --git a/packages/webamp/js/__tests__/baseline.integration-test.js b/packages/webamp/js/__tests__/baseline.integration-test.js
index 5a35e820..14308507 100644
--- a/packages/webamp/js/__tests__/baseline.integration-test.js
+++ b/packages/webamp/js/__tests__/baseline.integration-test.js
@@ -55,6 +55,16 @@ test("should render a skin that defines transparent regions", async () => {
   expect(await page.screenshot()).toMatchImageSnapshot(snapshotOptions);
 });
 
+test("should render a skin that has files that only differ by case: main.bmp and main.BMP", async () => {
+  await page.goto(`${DOMAIN}/#{"disableMarquee":true}`);
+  await expect(page).toUploadFile(
+    "#webamp-file-input",
+    path.join(__dirname, "../../demo/skins/My_Funny_Valentine.wsz")
+  );
+  await page.evaluate(() => window.__webamp.skinIsLoaded());
+  expect(await page.screenshot()).toMatchImageSnapshot(snapshotOptions);
+});
+
 test("uses the volume spirtes as a fallback when balance spirtes are missing", async () => {
   await page.goto(`${DOMAIN}/#{"disableMarquee":true}`);
   await expect(page).toUploadFile(