diff --git a/desktop/src/types/settings.ts b/desktop/src/types/settings.ts
index 4a5b247a..0aaf62f5 100644
--- a/desktop/src/types/settings.ts
+++ b/desktop/src/types/settings.ts
@@ -45,3 +45,11 @@ export type UserSettings = {
   language?: string
   [key: string]: unknown
 }
+
+export type AppMode = 'default' | 'portable'
+
+export type AppModeConfig = {
+  mode: AppMode
+  portableDir: string | null
+  defaultPortableDir: string | null
+}