diff --git a/packages/tree-extension/src/index.ts b/packages/tree-extension/src/index.ts
index 3039e9355c..045e79bdb4 100644
--- a/packages/tree-extension/src/index.ts
+++ b/packages/tree-extension/src/index.ts
@@ -124,7 +124,11 @@ const browserWidget: JupyterFrontEndPlugin<void> = {
       FILE_BROWSER_FACTORY,
       'uploader',
       (browser: FileBrowser) =>
-        new Uploader({ model: browser.model, translator })
+        new Uploader({
+          model: browser.model,
+          translator,
+          label: trans.__('Upload')
+        })
     );
 
     setToolbar(
diff --git a/ui-tests/test/mobile.spec.ts-snapshots/tree-chromium-linux.png b/ui-tests/test/mobile.spec.ts-snapshots/tree-chromium-linux.png
index 8bfb1a858e..0a0d2151d8 100644
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diff --git a/ui-tests/test/mobile.spec.ts-snapshots/tree-firefox-linux.png b/ui-tests/test/mobile.spec.ts-snapshots/tree-firefox-linux.png
index ef314facd5..7f0e20256b 100644
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diff --git a/ui-tests/test/settings.spec.ts-snapshots/top-hidden-chromium-linux.png b/ui-tests/test/settings.spec.ts-snapshots/top-hidden-chromium-linux.png
index 009e5f2bca..06a75207cc 100644
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diff --git a/ui-tests/test/settings.spec.ts-snapshots/top-hidden-firefox-linux.png b/ui-tests/test/settings.spec.ts-snapshots/top-hidden-firefox-linux.png
index a8a1524e35..a5533f5446 100644
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diff --git a/ui-tests/test/settings.spec.ts-snapshots/top-visible-chromium-linux.png b/ui-tests/test/settings.spec.ts-snapshots/top-visible-chromium-linux.png
index b68e22d5aa..f4d7b1cde9 100644
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diff --git a/ui-tests/test/settings.spec.ts-snapshots/top-visible-firefox-linux.png b/ui-tests/test/settings.spec.ts-snapshots/top-visible-firefox-linux.png
index 62b061dde1..0f68636d77 100644
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