diff --git a/include/xrpl/basics/Log.h b/include/xrpl/basics/Log.h
index 2bf6e6a76d..c2a66efb79 100644
--- a/include/xrpl/basics/Log.h
+++ b/include/xrpl/basics/Log.h
@@ -154,7 +154,7 @@ private:
     // Batching members
     mutable std::mutex batchMutex_;
     static constexpr size_t BATCH_BUFFER_SIZE = 64 * 1024;  // 64KB buffer
-    std::array<char, BATCH_BUFFER_SIZE> batchBuffer_;
+    std::array<char, BATCH_BUFFER_SIZE> batchBuffer_{};
     std::span<char> writeBuffer_;  // Points to available write space
     std::span<char> readBuffer_;   // Points to data ready to flush
     std::chrono::steady_clock::time_point lastFlush_ =