diff --git a/packages/react-devtools-fusebox/webpack.config.frontend.js b/packages/react-devtools-fusebox/webpack.config.frontend.js
index 53b07b6ebf0b2..ab7906ca84d63 100644
--- a/packages/react-devtools-fusebox/webpack.config.frontend.js
+++ b/packages/react-devtools-fusebox/webpack.config.frontend.js
@@ -83,6 +83,9 @@ module.exports = {
__PROFILE__: false,
__TEST__: NODE_ENV === 'test',
__IS_NATIVE__: true,
+ __IS_CHROME__: false,
+ __IS_FIREFOX__: false,
+ __IS_EDGE__: false,
'process.env.DEVTOOLS_PACKAGE': `"react-devtools-fusebox"`,
'process.env.DEVTOOLS_VERSION': `"${DEVTOOLS_VERSION}"`,
'process.env.EDITOR_URL': EDITOR_URL != null ? `"${EDITOR_URL}"` : null,
diff --git a/packages/react-devtools-shared/src/devtools/views/Settings/ComponentsSettings.js b/packages/react-devtools-shared/src/devtools/views/Settings/ComponentsSettings.js
index 419435d6c470a..a521c5bea908f 100644
--- a/packages/react-devtools-shared/src/devtools/views/Settings/ComponentsSettings.js
+++ b/packages/react-devtools-shared/src/devtools/views/Settings/ComponentsSettings.js
@@ -478,8 +478,8 @@ export default function ComponentsSettings({