diff --git a/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc b/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc
index 0bbbb2bde0..c3c4d5a872 100644
--- a/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc
+++ b/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc
@@ -28,8 +28,8 @@
   SUPPORTED_ARCHITECTURES        = IA32|X64|IPF
   BUILD_TARGETS                  = DEBUG|RELEASE
   SKUID_IDENTIFIER               = DEFAULT
-define MSFT_MACRO                = /D EFI_SPECIFICATION_VERSION=0x0002000A /D PI_SPECIFICATION_VERSION=0x00010000 /D TIANO_RELEASE_VERSION=0x00080006
-define GCC_MACRO                 = -DEFI_SPECIFICATION_VERSION=0x0002000A -DPI_SPECIFICATION_VERSION=0x00010000 -DTIANO_RELEASE_VERSION=0x00080006
+define MSFT_MACRO                = /D EFI_SPECIFICATION_VERSION=0x0002000A /D PI_SPECIFICATION_VERSION=0x00010000 /D TIANO_RELEASE_VERSION=0x00080006 /D PCD_EDKII_GLUE_PciExpressBaseAddress=0xE0000000
+define GCC_MACRO                 = -DEFI_SPECIFICATION_VERSION=0x0002000A -DPI_SPECIFICATION_VERSION=0x00010000 -DTIANO_RELEASE_VERSION=0x00080006 -DPCD_EDKII_GLUE_PciExpressBaseAddress=0xE0000000
 
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