diff --git a/source/scriptinterface/ScriptInterface.cpp b/source/scriptinterface/ScriptInterface.cpp
index 034e1a871d..2276b73aa0 100644
--- a/source/scriptinterface/ScriptInterface.cpp
+++ b/source/scriptinterface/ScriptInterface.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2012 Wildfire Games.
+/* Copyright (C) 2013 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -1073,6 +1073,7 @@ std::string ScriptInterface::StringifyJSON(jsval obj, bool indent)
 	Stringifier str;
 	if (!JS_Stringify(m->m_cx, &obj, NULL, indent ? INT_TO_JSVAL(2) : JSVAL_VOID, &Stringifier::callback, &str))
 	{
+		JS_ClearPendingException(m->m_cx);
 		LOGERROR(L"StringifyJSON failed");
 		return "";
 	}