diff --git a/reactos/lib/fslib/vfatlib/vfatlib.c b/reactos/lib/fslib/vfatlib/vfatlib.c
index 1a05e5e94bb..a361375554a 100755
--- a/reactos/lib/fslib/vfatlib/vfatlib.c
+++ b/reactos/lib/fslib/vfatlib/vfatlib.c
@@ -57,7 +57,7 @@ VfatFormat (PUNICODE_STRING DriveRoot,
     NULL);
 
   Status = NtOpenFile(&FileHandle,
-    FILE_WRITE_ACCESS | FILE_WRITE_ATTRIBUTES,
+    FILE_GENERIC_READ | FILE_GENERIC_WRITE,
     &ObjectAttributes,
     &Iosb,
     FILE_SHARE_READ,
diff --git a/reactos/lib/fslib/vfatxlib/vfatxlib.c b/reactos/lib/fslib/vfatxlib/vfatxlib.c
index c91f71ddf5d..9e514b6ba92 100644
--- a/reactos/lib/fslib/vfatxlib/vfatxlib.c
+++ b/reactos/lib/fslib/vfatxlib/vfatxlib.c
@@ -55,7 +55,7 @@ VfatxFormat (PUNICODE_STRING DriveRoot,
     NULL);
 
   Status = NtOpenFile(&FileHandle,
-    FILE_WRITE_ACCESS | FILE_WRITE_ATTRIBUTES,
+    FILE_GENERIC_READ | FILE_GENERIC_WRITE,
     &ObjectAttributes,
     &Iosb,
     FILE_SHARE_READ,