diff --git a/common/cpp/src/system_io_windows.cpp b/common/cpp/src/system_io_windows.cpp
index 37586790eb6ff04eb7f4b1f45605f5ad1f92cfff..0e1dbb41551beab962f4e830e52b3b1c084c3728 100644
--- a/common/cpp/src/system_io_windows.cpp
+++ b/common/cpp/src/system_io_windows.cpp
@@ -189,11 +189,11 @@ void SystemIO::_close(hidra2::FileDescriptor fd) const {
 }
 
 ssize_t SystemIO::_read(hidra2::FileDescriptor fd, void* buffer, size_t length) const {
-    return ::_read(fd, buffer, length);
+    return ::_read(fd, (char*)buffer, length);
 }
 
 ssize_t SystemIO::_write(hidra2::FileDescriptor fd, const void* buffer, size_t length) const {
-    return ::_write(fd, buffer, length);
+    return ::_write(fd, (const char*)buffer, length);
 }
 
 FileDescriptor SystemIO::_socket(int address_family, int socket_type, int socket_protocol) const {