diff --git a/grub-2.00-dont-decrease-mmap-size.patch b/grub-2.00-dont-decrease-mmap-size.patch
index 04ca5ee..8139fc2 100644
--- a/grub-2.00-dont-decrease-mmap-size.patch
+++ b/grub-2.00-dont-decrease-mmap-size.patch
@@ -1,4 +1,4 @@
-From: Stuart Hayes <stuart.hayes@dell.com>
+From: Stuart Hayes <stuart_hayes@dell.com>
 Subject: Don't decrease efi memory map size
 Date: 2012-07-02 09:14:37 +0000