diff --git a/OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf b/OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf
index 6776ec931c..39d1deeed1 100644
--- a/OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf
+++ b/OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf
@@ -57,7 +57,7 @@
   gEfiSecurityPkgTokenSpaceGuid.PcdTpmInstanceGuid                 ## PRODUCES
 
 [Depex.IA32, Depex.X64]
-  TRUE
+  gOvmfTpmMmioAccessiblePpiGuid
 
 [Depex.ARM, Depex.AARCH64]
   gOvmfTpmDiscoveredPpiGuid