diff --git a/source/main.cpp b/source/main.cpp
index 68d95e163a..b9c1444f70 100644
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -450,7 +450,7 @@ static void RunGameOrAtlas(int argc, const char* argv[])
 		{
 			CReplayPlayer replay;
 			replay.Load(args.Get("replay"));
-			replay.Replay(args.Has("serializationtest"));
+			replay.Replay(args.Has("serializationtest"), args.Has("ooslog"));
 		}
 
 		g_VFS.reset();
diff --git a/source/ps/Replay.cpp b/source/ps/Replay.cpp
index df50463470..21617272a5 100644
--- a/source/ps/Replay.cpp
+++ b/source/ps/Replay.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2014 Wildfire Games.
+/* Copyright (C) 2015 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -122,7 +122,7 @@ void CReplayPlayer::Load(const std::string& path)
 	ENSURE(m_Stream->good());
 }
 
-void CReplayPlayer::Replay(bool serializationtest)
+void CReplayPlayer::Replay(bool serializationtest, bool ooslog)
 {
 	ENSURE(m_Stream);
 
@@ -139,6 +139,8 @@ void CReplayPlayer::Replay(bool serializationtest)
 	g_Game = &game;
 	if (serializationtest)
 		game.GetSimulation2()->EnableSerializationTest();
+	if (ooslog)
+		game.GetSimulation2()->EnableOOSLog();
 		
 	JSContext* cx = game.GetSimulation2()->GetScriptInterface().GetContext();
 	JSAutoRequest rq(cx);
diff --git a/source/ps/Replay.h b/source/ps/Replay.h
index c192501f2c..01d6e5cc12 100644
--- a/source/ps/Replay.h
+++ b/source/ps/Replay.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2014 Wildfire Games.
+/* Copyright (C) 2015 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -89,7 +89,7 @@ public:
 	~CReplayPlayer();
 
 	void Load(const std::string& path);
-	void Replay(bool serializationtest);
+	void Replay(bool serializationtest, bool ooslog);
 
 private:
 	std::istream* m_Stream;