diff --git a/src/renderer/src/config/ocr.ts b/src/renderer/src/config/ocr.ts
index a3a8943f4..0f6d305f3 100644
--- a/src/renderer/src/config/ocr.ts
+++ b/src/renderer/src/config/ocr.ts
@@ -12,7 +12,9 @@ export const BUILTIN_OCR_PROVIDERS_MAP = {
   tesseract
 } as const satisfies Record<BuiltinOcrProviderId, BuiltinOcrProvider>
 
-export const BUILTIN_OCR_PROVIDERS: BuiltinOcrProvider[] = Object.values(BUILTIN_OCR_PROVIDERS_MAP)
+export const BUILTIN_OCR_PROVIDERS: readonly BuiltinOcrProvider[] = Object.freeze(
+  Object.values(BUILTIN_OCR_PROVIDERS_MAP)
+)
 
 export const DEFAULT_OCR_PROVIDER = {
   image: tesseract