diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index 20f6afa257..30ffa9caff 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -375,6 +375,10 @@
   gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdShellFile|{ 0x83, 0xA5, 0x04, 0x7C, 0x3E, 0x9E, 0x1C, 0x4F, 0xAD, 0x65, 0xE0, 0x52, 0x68, 0xD0, 0xB4, 0xD1 }
 !endif
 
+!if $(SMM_REQUIRE) == TRUE
+  gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmSyncMode|0x01
+!endif
+
 !if $(SECURE_BOOT_ENABLE) == TRUE
   # override the default values from SecurityPkg to ensure images from all sources are verified in secure boot
   gEfiSecurityPkgTokenSpaceGuid.PcdOptionRomImageVerificationPolicy|0x04
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index b8f6c11e96..6eb264a540 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -381,6 +381,10 @@
 !endif
 
 [PcdsFixedAtBuild.X64]
+!if $(SMM_REQUIRE) == TRUE
+  gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmSyncMode|0x01
+!endif
+
 !if $(SECURE_BOOT_ENABLE) == TRUE
   # override the default values from SecurityPkg to ensure images from all sources are verified in secure boot
   gEfiSecurityPkgTokenSpaceGuid.PcdOptionRomImageVerificationPolicy|0x04
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index 2f09661fe9..4860468644 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -380,6 +380,10 @@
   gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdShellFile|{ 0x83, 0xA5, 0x04, 0x7C, 0x3E, 0x9E, 0x1C, 0x4F, 0xAD, 0x65, 0xE0, 0x52, 0x68, 0xD0, 0xB4, 0xD1 }
 !endif
 
+!if $(SMM_REQUIRE) == TRUE
+  gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmSyncMode|0x01
+!endif
+
 !if $(SECURE_BOOT_ENABLE) == TRUE
   # override the default values from SecurityPkg to ensure images from all sources are verified in secure boot
   gEfiSecurityPkgTokenSpaceGuid.PcdOptionRomImageVerificationPolicy|0x04