diff --git a/UnixPkg/UnixPkg.fdf b/UnixPkg/UnixPkg.fdf
index ce776c53b6..bbd39c836d 100644
--- a/UnixPkg/UnixPkg.fdf
+++ b/UnixPkg/UnixPkg.fdf
@@ -97,9 +97,9 @@ DATA = {
   0x8D, 0x2B, 0xF1, 0xFF, 0x96, 0x76, 0x8B, 0x4C,
   0xA9, 0x85, 0x27, 0x47, 0x07, 0x5B, 0x4F, 0x50,
   # Crc:UINT32            #WorkingBlockValid:1, WorkingBlockInvalid:1, Reserved
-  0x85, 0xae, 0x2d, 0xbf, 0xFE, 0xFF, 0xFF, 0xFF,
-  # WriteQueueSize: UINT32
-  0xE4, 0x1F, 0x00, 0x00
+  0x77, 0x13, 0x9B, 0xD7, 0xFE, 0xFF, 0xFF, 0xFF,
+  # WriteQueueSize: UINT64
+  0xE0, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 }
 
 0x00290000|0x00010000