diff --git a/public/src/ui-translations.js b/public/src/ui-translations.js
index 6ddf543..de12cc5 100644
--- a/public/src/ui-translations.js
+++ b/public/src/ui-translations.js
@@ -3,6 +3,7 @@
 
 // Import translations from individual language files
 import { UI_TRANSLATIONS } from "./languages/index.js";
+import { normalizeLanguageCode } from "./config.js";
 
 // Export UI_TRANSLATIONS for use in other modules
 export { UI_TRANSLATIONS };
@@ -22,7 +23,18 @@ export function getUIText(key, params = {}) {
 }
 
 // Language preference management
+// Priority: window.UNCLOSEAI_LANGUAGE (forced by embed) > localStorage > "en"
 export function getUserLanguagePreference() {
+	// Check for forced language from embed config first
+	const rawEmbedLang = (typeof window !== "undefined" && window.UNCLOSEAI_LANGUAGE) ? window.UNCLOSEAI_LANGUAGE : null;
+	if (rawEmbedLang) {
+		const normalizedLang = normalizeLanguageCode(rawEmbedLang);
+		if (normalizedLang) {
+			return normalizedLang;
+		}
+	}
+
+	// Fall back to localStorage
 	try {
 		return localStorage.getItem("uncloseai_language") || "en";
 	} catch (error) {