diff --git a/Library/CommandHandler.cpp b/Library/CommandHandler.cpp
index 69a40ad6..2a26d819 100644
--- a/Library/CommandHandler.cpp
+++ b/Library/CommandHandler.cpp
@@ -845,7 +845,8 @@ void CCommandHandler::DoWriteKeyValueBang(std::vector<std::wstring>& args, CMete
 	if (skin)
 	{
 		double value;
-		if (skin->GetParser().ParseFormula(strValue, &value))
+		formula = skin->GetParser().ParseFormula(strValue, &value); 
+		if (formula)
 		{
 			WCHAR buffer[256];
 			int len = _snwprintf_s(buffer, _TRUNCATE, L"%.5f", value);
diff --git a/Library/CommandHandler.h b/Library/CommandHandler.h
index 237c6ddc..ddcd0a93 100644
--- a/Library/CommandHandler.h
+++ b/Library/CommandHandler.h
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2012 Rainmeter Team
+  Copyright (C) 2013 Rainmeter Team
 
   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License