diff --git a/src/vs/workbench/browser/actions/configureLocale.ts b/src/vs/workbench/electron-browser/configureLocale.ts
similarity index 93%
rename from src/vs/workbench/browser/actions/configureLocale.ts
rename to src/vs/workbench/electron-browser/configureLocale.ts
index 41ca1f377c534cabecf12616829adadf40a2895c..d360f84075215bc5b0796e8e693fd794833bd26b 100644
--- a/src/vs/workbench/browser/actions/configureLocale.ts
+++ b/src/vs/workbench/electron-browser/configureLocale.ts
@@ -69,6 +69,12 @@ class ConfigureLocaleAction extends Action {
 const registry = Registry.as<IWorkbenchActionRegistry>(Extensions.WorkbenchActions);
 registry.registerWorkbenchAction(new SyncActionDescriptor(ConfigureLocaleAction, ConfigureLocaleAction.ID, ConfigureLocaleAction.LABEL), 'Configure Language');
 
+let enumValues: string[] = ['de', 'en', 'en-US', 'es', 'fr', 'it', 'ja', 'ko', 'ru', 'zh-CN', 'zh-TW'];
+import product from 'vs/platform/node/product';
+if (product.quality !== 'stable') {
+	enumValues.push('hu');
+}
+
 const schemaId = 'vscode://schemas/locale';
 // Keep en-US since we generated files with that content.
 const schema: IJSONSchema =
@@ -83,7 +89,7 @@ const schema: IJSONSchema =
 		properties: {
 			locale: {
 				type: 'string',
-				enum: ['de', 'en', 'en-US', 'es', 'fr', 'it', 'ja', 'ko', 'ru', 'zh-CN', 'zh-TW'],
+				enum: enumValues,
 				description: nls.localize('JsonSchema.locale', 'The UI Language to use.')
 			}
 		}
diff --git a/src/vs/workbench/workbench.main.ts b/src/vs/workbench/workbench.main.ts
index d5c4c9ebf0312d9039dfb7837a291882c1c79764..b162fb6a0239e4a204333ccbfffbe1125c1e38f6 100644
--- a/src/vs/workbench/workbench.main.ts
+++ b/src/vs/workbench/workbench.main.ts
@@ -27,7 +27,6 @@ import 'vs/workbench/browser/actions/toggleEditorLayout';
 import 'vs/workbench/browser/actions/toggleZenMode';
 import 'vs/workbench/parts/preferences/browser/preferences.contribution';
 import 'vs/workbench/parts/preferences/browser/keybindingsEditorContribution';
-import 'vs/workbench/browser/actions/configureLocale';
 
 import 'vs/workbench/browser/parts/quickopen/quickopen.contribution';
 import 'vs/workbench/parts/quickopen/browser/quickopen.contribution';
@@ -73,6 +72,7 @@ import 'vs/workbench/parts/terminal/browser/terminalQuickOpen';
 import 'vs/workbench/parts/terminal/electron-browser/terminalPanel'; // can be packaged separately
 
 import 'vs/workbench/electron-browser/workbench';
+import 'vs/workbench/electron-browser/configureLocale';
 
 import 'vs/workbench/parts/trust/electron-browser/unsupportedWorkspaceSettings.contribution';