diff --git a/EdkCompatibilityPkg/EdkCompatibilityPkg.dec b/EdkCompatibilityPkg/EdkCompatibilityPkg.dec
index 6240bfde57..f28cf4efe7 100644
--- a/EdkCompatibilityPkg/EdkCompatibilityPkg.dec
+++ b/EdkCompatibilityPkg/EdkCompatibilityPkg.dec
@@ -57,6 +57,7 @@
 [Guids]
   gEfiSmmBaseThunkCommunicationGuid       = { 0x6568a3d6, 0x15f, 0x4b4a, { 0x9c, 0x89, 0x1d, 0x14, 0x63, 0x14, 0x13, 0xa } }
   gEfiBootStateGuid                       = { 0x60b5e939, 0xfcf, 0x4227, { 0xba, 0x83, 0x6b, 0xbe, 0xd4, 0x5b, 0xc0, 0xe3 } }
+  gEfiEdkCompatibilityPkgTokenSpaceGuid   = { 0x2354d320, 0x3eb3, 0x4c81, { 0x99, 0xf4, 0xcc, 0x4a, 0xe1, 0x43, 0x46, 0x3e }}
 
 [Ppis]
   gEcpPeiPciCfgPpiGuid                    = { 0xb0ee53d4, 0xa049, 0x4a79, { 0xb2, 0xff, 0x19, 0xd9, 0xfa, 0xef, 0xaa, 0x94 }} 
@@ -65,3 +66,6 @@
   gEfiPrintProtocolGuid                   = { 0xdf2d868e, 0x32fc, 0x4cf0, {0x8e, 0x6b, 0xff, 0xd9, 0x5d, 0x13, 0x43, 0xd0} }
   gEfiSmmBaseHelperReadyProtocolGuid      = { 0x910dca07, 0x1f94, 0x4ee7, { 0xaf, 0x2f, 0xff, 0x72, 0xf3, 0x15, 0x43, 0x53 } }
 
+[PcdsDynamic]
+  gEfiEdkCompatibilityPkgTokenSpaceGuid.BootScriptThunkDataPtr|0x0|UINT64|0x30000001
+