diff --git a/src/@types/i18next.d.ts b/src/@types/i18next.d.ts
new file mode 100644
index 00000000..a1693a61
--- /dev/null
+++ b/src/@types/i18next.d.ts
@@ -0,0 +1,8 @@
+import 'i18next'
+
+declare module 'i18next' {
+  interface CustomTypeOptions {
+    defaultNS: 'common',
+    returnNull: false
+  }
+}