diff --git a/src/ray/util/pipe_logger.h b/src/ray/util/pipe_logger.h
index b9cbcfd6823d..054e4789d1c7 100644
--- a/src/ray/util/pipe_logger.h
+++ b/src/ray/util/pipe_logger.h
@@ -107,7 +107,7 @@ class RedirectionFileHandle {
     RAY_CHECK_EQ(bytes_written, static_cast<ssize_t>(len));
   }
 #elif defined(_WIN32)
-  void CompleteWrite(char *data, size_t len) {
+  void CompleteWrite(const char *data, size_t len) {
     DWORD bytes_written = 0;
     WriteFile(write_handle_, data, len, &bytes_written, nullptr);
   }
diff --git a/src/ray/util/tests/pipe_logger_test.cc b/src/ray/util/tests/pipe_logger_test.cc
index 61b9e02ff77a..87fd5d4b02a7 100644
--- a/src/ray/util/tests/pipe_logger_test.cc
+++ b/src/ray/util/tests/pipe_logger_test.cc
@@ -18,6 +18,7 @@
 
 #include <cstdint>
 #include <filesystem>
+#include <cstdlib>
 #include <future>
 #include <string_view>