1 files changed, 1 insertions, 1 deletions
diff --git a/ydb/core/tx/datashard/conflicts_cache.h b/ydb/core/tx/datashard/conflicts_cache.h
index caebb6953b..1d4215018f 100644
--- a/ydb/core/tx/datashard/conflicts_cache.h
+++ b/ydb/core/tx/datashard/conflicts_cache.h
@@ -43,7 +43,7 @@ class TTableConflictsCache {
     struct TKeyHash {
         using is_transparent = void;
 
-        bool operator()(TConstArrayRef<TCell> key) const {
+        size_t operator()(TConstArrayRef<TCell> key) const {
             return absl::Hash<THashableKey>()(THashableKey{ key });
         }
     };