diff --git a/src/libstd/sys/windows/c.rs b/src/libstd/sys/windows/c.rs
index 7dfcc996e18e2..d604e81b2bfa4 100644
--- a/src/libstd/sys/windows/c.rs
+++ b/src/libstd/sys/windows/c.rs
@@ -117,6 +117,7 @@ pub const FILE_GENERIC_WRITE: DWORD = STANDARD_RIGHTS_WRITE | FILE_WRITE_DATA |
 pub const FILE_FLAG_OPEN_REPARSE_POINT: DWORD = 0x00200000;
 pub const FILE_FLAG_BACKUP_SEMANTICS: DWORD = 0x02000000;
 pub const SECURITY_SQOS_PRESENT: DWORD = 0x00100000;
+pub const SECURITY_IDENTIFICATION: DWORD = 0x00010000;
 
 pub const FIONBIO: c_ulong = 0x8004667e;
 
diff --git a/src/libstd/sys/windows/fs.rs b/src/libstd/sys/windows/fs.rs
index f2487c1b0bd0a..09bdb12f4a629 100644
--- a/src/libstd/sys/windows/fs.rs
+++ b/src/libstd/sys/windows/fs.rs
@@ -184,7 +184,7 @@ impl OpenOptions {
             access_mode: None,
             share_mode: c::FILE_SHARE_READ | c::FILE_SHARE_WRITE | c::FILE_SHARE_DELETE,
             attributes: 0,
-            security_qos_flags: 0,
+            security_qos_flags: c::SECURITY_SQOS_PRESENT | c::SECURITY_IDENTIFICATION,
             security_attributes: 0,
         }
     }