diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index f0dbcb972a2..8449fe221a1 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -638,6 +638,7 @@
   #gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|FALSE
   gEfiMdeModulePkgTokenSpaceGuid.PcdUse1GPageTable|TRUE
   gUefiOvmfPkgTokenSpaceGuid.PcdTdxSetNxForStack|TRUE
+  gEfiMdeModulePkgTokenSpaceGuid.PcdCpuStackGuard|TRUE
 
   # Set memory encryption mask
   gUefiOvmfPkgTokenSpaceGuid.PcdTdxPteMemoryEncryptionAddressOrMask|0x0