diff --git a/lib/utils/storage_pref.dart b/lib/utils/storage_pref.dart
index 27ff8320..66e25e44 100644
--- a/lib/utils/storage_pref.dart
+++ b/lib/utils/storage_pref.dart
@@ -41,7 +41,7 @@ class Pref {
   );
 
   static Set<int> get blackMids =>
-      _localCache.get(LocalCacheKey.blackMids, defaultValue: const <int>{});
+      _localCache.get(LocalCacheKey.blackMids, defaultValue: <int>{});
 
   static set blackMids(Set<int> blackMidsSet) {
     _localCache.put(LocalCacheKey.blackMids, blackMidsSet);