diff --git a/frontend/src/lib/i18n.tsx b/frontend/src/lib/i18n.tsx
index c4a816f..f80a6da 100644
--- a/frontend/src/lib/i18n.tsx
+++ b/frontend/src/lib/i18n.tsx
@@ -43,11 +43,11 @@ export function I18nProvider({ children }: { children: ReactNode }) {
 
     const t = useCallback((key: string, params?: Record<string, string | number>): string => {
         const keys = key.split('.');
-        let value: any = dictionaries[locale];
+        let value: unknown = dictionaries[locale];
 
         for (const k of keys) {
-            if (value && typeof value === 'object' && k in value) {
-                value = value[k];
+            if (value && typeof value === 'object' && value !== null && k in value) {
+                value = (value as Record<string, unknown>)[k];
             } else {
                 return key; // Return key if not found
             }