diff --git a/source/gui/CGUISetting.cpp b/source/gui/CGUISetting.cpp
index ccb5d065ab..a06513419d 100644
--- a/source/gui/CGUISetting.cpp
+++ b/source/gui/CGUISetting.cpp
@@ -51,6 +51,7 @@ bool CGUISetting<CGUIColor>::FromJSVal(JSContext* cx, JS::HandleValue Value, con
 
 		if (!settingValue.ParseString(m_pObject.GetGUI(), name))
 		{
+			JSAutoRequest rq(cx);
 			JS_ReportError(cx, "Invalid color '%s'", name.c_str());
 			return false;
 		}
diff --git a/source/gui/scripting/GuiScriptConversions.cpp b/source/gui/scripting/GuiScriptConversions.cpp
index f0ae9e59e4..343519a920 100644
--- a/source/gui/scripting/GuiScriptConversions.cpp
+++ b/source/gui/scripting/GuiScriptConversions.cpp
@@ -166,18 +166,21 @@ template<> bool ScriptInterface::FromJSVal<CSize>(JSContext* cx, JS::HandleValue
 {
 	if (!v.isObject())
 	{
+		JSAutoRequest rq(cx);
 		JS_ReportError(cx, "CSize value must be an object!");
 		return false;
 	}
 
 	if (!FromJSProperty(cx, v, "width", out.cx))
 	{
+		JSAutoRequest rq(cx);
 		JS_ReportError(cx, "Failed to get CSize.cx property");
 		return false;
 	}
 
 	if (!FromJSProperty(cx, v, "height", out.cy))
 	{
+		JSAutoRequest rq(cx);
 		JS_ReportError(cx, "Failed to get CSize.cy property");
 		return false;
 	}
@@ -194,18 +197,21 @@ template<> bool ScriptInterface::FromJSVal<CPos>(JSContext* cx, JS::HandleValue
 {
 	if (!v.isObject())
 	{
+		JSAutoRequest rq(cx);
 		JS_ReportError(cx, "CPos value must be an object!");
 		return false;
 	}
 
 	if (!FromJSProperty(cx, v, "x", out.x))
 	{
+		JSAutoRequest rq(cx);
 		JS_ReportError(cx, "Failed to get CPos.x property");
 		return false;
 	}
 
 	if (!FromJSProperty(cx, v, "y", out.y))
 	{
+		JSAutoRequest rq(cx);
 		JS_ReportError(cx, "Failed to get CPos.y property");
 		return false;
 	}
@@ -273,6 +279,7 @@ template<> void ScriptInterface::ToJSVal<EVAlign>(JSContext* cx, JS::MutableHand
 
 	default:
 		word = "error";
+		JSAutoRequest rq(cx);
 		JS_ReportError(cx, "Invalid EVAlign");
 		break;
 	}
@@ -293,6 +300,7 @@ template<> bool ScriptInterface::FromJSVal<EVAlign>(JSContext* cx, JS::HandleVal
 	else
 	{
 		out = EVAlign_Top;
+		JSAutoRequest rq(cx);
 		JS_ReportError(cx, "Invalid alignment (should be 'left', 'right' or 'center')");
 		return false;
 	}
@@ -315,6 +323,7 @@ template<> void ScriptInterface::ToJSVal<EAlign>(JSContext* cx, JS::MutableHandl
 		break;
 	default:
 		word = "error";
+		JSAutoRequest rq(cx);
 		JS_ReportError(cx, "Invalid alignment (should be 'left', 'right' or 'center')");
 		break;
 	}
@@ -335,6 +344,7 @@ template<> bool ScriptInterface::FromJSVal<EAlign>(JSContext* cx, JS::HandleValu
 	else
 	{
 		out = EAlign_Left;
+		JSAutoRequest rq(cx);
 		JS_ReportError(cx, "Invalid alignment (should be 'left', 'right' or 'center')");
 		return false;
 	}
diff --git a/source/ps/scripting/JSInterface_Game.cpp b/source/ps/scripting/JSInterface_Game.cpp
index 7d967f4545..6533965a94 100644
--- a/source/ps/scripting/JSInterface_Game.cpp
+++ b/source/ps/scripting/JSInterface_Game.cpp
@@ -101,7 +101,9 @@ bool JSI_Game::IsPaused(ScriptInterface::CxPrivate* pCxPrivate)
 {
 	if (!g_Game)
 	{
-		JS_ReportError(pCxPrivate->pScriptInterface->GetContext(), "Game is not started");
+		JSContext* cx = pCxPrivate->pScriptInterface->GetContext();
+		JSAutoRequest rq(cx);
+		JS_ReportError(cx, "Game is not started");
 		return false;
 	}
 
@@ -112,7 +114,9 @@ void JSI_Game::SetPaused(ScriptInterface::CxPrivate* pCxPrivate, bool pause, boo
 {
 	if (!g_Game)
 	{
-		JS_ReportError(pCxPrivate->pScriptInterface->GetContext(), "Game is not started");
+		JSContext* cx = pCxPrivate->pScriptInterface->GetContext();
+		JSAutoRequest rq(cx);
+		JS_ReportError(cx, "Game is not started");
 		return;
 	}
 
diff --git a/source/ps/scripting/JSInterface_VFS.cpp b/source/ps/scripting/JSInterface_VFS.cpp
index 71dd1c777b..6f929e8dc7 100644
--- a/source/ps/scripting/JSInterface_VFS.cpp
+++ b/source/ps/scripting/JSInterface_VFS.cpp
@@ -228,10 +228,9 @@ bool JSI_VFS::PathRestrictionMet(ScriptInterface::CxPrivate* pCxPrivate, const s
 		allowedPaths += L"\"" + validPaths[i] + L"\"";
 	}
 
-	JS_ReportError(
-		pCxPrivate->pScriptInterface->GetContext(),
-		"This part of the engine may only read from %s!",
-		utf8_from_wstring(allowedPaths).c_str());
+	JSContext* cx = pCxPrivate->pScriptInterface->GetContext();
+	JSAutoRequest rq(cx);
+	JS_ReportError(cx, "This part of the engine may only read from %s!", utf8_from_wstring(allowedPaths).c_str());
 
 	return false;
 }
diff --git a/source/scriptinterface/ScriptInterface.cpp b/source/scriptinterface/ScriptInterface.cpp
index d7ac77666c..10f39bfbdb 100644
--- a/source/scriptinterface/ScriptInterface.cpp
+++ b/source/scriptinterface/ScriptInterface.cpp
@@ -214,6 +214,7 @@ bool deepfreeze(JSContext* cx, uint argc, JS::Value* vp)
 
 	if (args.length() != 1 || !args.get(0).isObject())
 	{
+		JSAutoRequest rq(cx);
 		JS_ReportError(cx, "deepfreeze requires exactly one object as an argument.");
 		return false;
 	}
diff --git a/source/simulation2/scripting/EngineScriptConversions.cpp b/source/simulation2/scripting/EngineScriptConversions.cpp
index 352e9ff6e8..5deed27de0 100644
--- a/source/simulation2/scripting/EngineScriptConversions.cpp
+++ b/source/simulation2/scripting/EngineScriptConversions.cpp
@@ -90,10 +90,11 @@ template<> void ScriptInterface::ToJSVal<const CParamNode*>(JSContext* cx, JS::M
 
 template<> bool ScriptInterface::FromJSVal<CColor>(JSContext* cx, JS::HandleValue v, CColor& out)
 {
+	JSAutoRequest rq(cx);
+
 	if (!v.isObject())
 		FAIL("JS::HandleValue not an object");
 
-	JSAutoRequest rq(cx);
 	JS::RootedObject obj(cx, &v.toObject());
 
 	JS::RootedValue r(cx);
@@ -262,10 +263,11 @@ template<> void ScriptInterface::ToJSVal<Grid<u16> >(JSContext* cx, JS::MutableH
 
 template<> bool ScriptInterface::FromJSVal<TNSpline>(JSContext* cx, JS::HandleValue v, TNSpline& out)
 {
+	JSAutoRequest rq(cx);
+
 	if (!v.isObject())
 		FAIL("Argument must be an object");
 
-	JSAutoRequest rq(cx);
 	JS::RootedObject obj(cx, &v.toObject());
 	bool isArray;
 	if (!JS_IsArrayObject(cx, obj, &isArray) || !isArray)
@@ -300,10 +302,11 @@ template<> bool ScriptInterface::FromJSVal<TNSpline>(JSContext* cx, JS::HandleVa
 
 template<> bool ScriptInterface::FromJSVal<CCinemaPath>(JSContext* cx, JS::HandleValue v, CCinemaPath& out)
 {
+	JSAutoRequest rq(cx);
+
 	if (!v.isObject())
 		FAIL("Argument must be an object");
 
-	JSAutoRequest rq(cx);
 	JS::RootedObject obj(cx, &v.toObject());
 
 	CCinemaData pathData;