diff --git a/src/nnue/nnue_accumulator.h b/src/nnue/nnue_accumulator.h
index 341960b30..c0a912f58 100644
--- a/src/nnue/nnue_accumulator.h
+++ b/src/nnue/nnue_accumulator.h
@@ -77,10 +77,9 @@ struct AccumulatorCaches {
             // To initialize a refresh entry, we set all its bitboards empty,
             // so we put the biases in the accumulation, without any weights on top
             void clear(const std::array<BiasType, Size>& biases) {
-
                 accumulation = biases;
-                std::memset((uint8_t*) this + offsetof(Entry, psqtAccumulation), 0,
-                            sizeof(Entry) - offsetof(Entry, psqtAccumulation));
+                std::memset(reinterpret_cast<std::byte*>(this) + offsetof(Entry, psqtAccumulation),
+                            0, sizeof(Entry) - offsetof(Entry, psqtAccumulation));
             }
         };