diff --git a/src/common/mm_io_win.cpp b/src/common/mm_io_win.cpp
index 45396c218..d6c3eacff 100644
--- a/src/common/mm_io_win.cpp
+++ b/src/common/mm_io_win.cpp
@@ -59,7 +59,7 @@ mm_file_io_c::mm_file_io_c(const std::string &path,
       disposition = OPEN_ALWAYS;
       break;
     case MODE_CREATE:
-      access_mode = GENERIC_WRITE;
+      access_mode = GENERIC_WRITE | GENERIC_READ;
       share_mode  = FILE_SHARE_READ;
       disposition = CREATE_ALWAYS;
       break;