diff --git a/DuetPkg/DuetPkg.fdf b/DuetPkg/DuetPkg.fdf
index 0323b6ece2..c6170e7648 100644
--- a/DuetPkg/DuetPkg.fdf
+++ b/DuetPkg/DuetPkg.fdf
@@ -49,6 +49,7 @@ INF  MdeModulePkg/Universal/MonotonicCounterRuntimeDxe/MonotonicCounterRuntimeDx
 
 INF  DuetPkg/FSVariable/FSVariable.inf
 INF  MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf
+INF  MdeModulePkg/Universal/MemoryTest/NullMemoryTestDxe/NullMemoryTestDxe.inf
 INF  MdeModulePkg/Universal/SecurityStubDxe/SecurityStubDxe.inf
 INF  MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.inf
 INF  MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf