diff --git a/SecurityPkg/Tcg/MemoryOverwriteRequestControlLock/TcgMorLockSmm.inf b/SecurityPkg/Tcg/MemoryOverwriteRequestControlLock/TcgMorLockSmm.inf
index 19d9f3e331..bde03bb12c 100644
--- a/SecurityPkg/Tcg/MemoryOverwriteRequestControlLock/TcgMorLockSmm.inf
+++ b/SecurityPkg/Tcg/MemoryOverwriteRequestControlLock/TcgMorLockSmm.inf
@@ -30,6 +30,7 @@
 #
 
 [Sources]
+  TcgMorLock.h
   TcgMorLock.c
   TcgMorLockSmm.c