diff --git a/source/simulation2/components/CCmpObstruction.cpp b/source/simulation2/components/CCmpObstruction.cpp
index 6c1e28a0b6..d80a086b69 100644
--- a/source/simulation2/components/CCmpObstruction.cpp
+++ b/source/simulation2/components/CCmpObstruction.cpp
@@ -17,6 +17,7 @@
 
 #include "precompiled.h"
 
+#include "simulation2/system/Component.h"
 #include "ICmpObstruction.h"
 
 #include "simulation2/MessageTypes.h"
diff --git a/source/simulation2/components/CCmpTemplateManager.cpp b/source/simulation2/components/CCmpTemplateManager.cpp
index 1468a6b955..47e550ab3a 100644
--- a/source/simulation2/components/CCmpTemplateManager.cpp
+++ b/source/simulation2/components/CCmpTemplateManager.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2017 Wildfire Games.
+/* Copyright (C) 2020 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -17,6 +17,7 @@
 
 #include "precompiled.h"
 
+#include "simulation2/system/Component.h"
 #include "ICmpTemplateManager.h"
 
 #include "simulation2/MessageTypes.h"