diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index d92a327bf6..685e72a570 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -308,6 +308,7 @@
 !endif
 
 [PcdsFixedAtBuild]
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|TRUE
   gEfiMdeModulePkgTokenSpaceGuid.PcdStatusCodeMemorySize|1
   gEfiMdeModulePkgTokenSpaceGuid.PcdResetOnMemoryTypeInformationChange|FALSE
   gEfiMdePkgTokenSpaceGuid.PcdMaximumGuidedExtractHandler|0x10
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index 1c39cc7b62..84cbb7ab4d 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -313,6 +313,7 @@
 !endif
 
 [PcdsFixedAtBuild]
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|TRUE
   gEfiMdeModulePkgTokenSpaceGuid.PcdStatusCodeMemorySize|1
   gEfiMdeModulePkgTokenSpaceGuid.PcdResetOnMemoryTypeInformationChange|FALSE
   gEfiMdePkgTokenSpaceGuid.PcdMaximumGuidedExtractHandler|0x10
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index 778ea28926..1d023a7527 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -313,6 +313,7 @@
 !endif
 
 [PcdsFixedAtBuild]
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|TRUE
   gEfiMdeModulePkgTokenSpaceGuid.PcdStatusCodeMemorySize|1
   gEfiMdeModulePkgTokenSpaceGuid.PcdResetOnMemoryTypeInformationChange|FALSE
   gEfiMdePkgTokenSpaceGuid.PcdMaximumGuidedExtractHandler|0x10