diff --git a/engines/agos/script_pp.cpp b/engines/agos/script_pp.cpp
index e5b8e068f74..ca8e8a64a12 100644
--- a/engines/agos/script_pp.cpp
+++ b/engines/agos/script_pp.cpp
@@ -23,6 +23,8 @@
 
 #include "common/stdafx.h"
 
+#include "common/system.h"
+
 #include "agos/agos.h"
 
 namespace AGOS {
diff --git a/engines/agos/script_s1.cpp b/engines/agos/script_s1.cpp
index 61017586f8e..ea45b0f4976 100644
--- a/engines/agos/script_s1.cpp
+++ b/engines/agos/script_s1.cpp
@@ -23,6 +23,8 @@
 
 #include "common/stdafx.h"
 
+#include "common/system.h"
+
 #include "agos/agos.h"
 
 namespace AGOS {