diff --git a/sist2-vue/src/store/index.ts b/sist2-vue/src/store/index.ts
index 71e6100..24f6ccb 100644
--- a/sist2-vue/src/store/index.ts
+++ b/sist2-vue/src/store/index.ts
@@ -48,7 +48,7 @@ export default new Vuex.Store({
         optLightboxLoadOnlyCurrent: false,
         optLightboxSlideDuration: 15,
         optHideLegacy: false,
-        optUpdateMimeMap: true,
+        optUpdateMimeMap: false,
         optUseDatePicker: false,
 
         _onLoadSelectedIndices: [] as string[],