diff --git a/stepmania/src/ThemeManager.cpp b/stepmania/src/ThemeManager.cpp
index 60401a42fe..23c9affb54 100644
--- a/stepmania/src/ThemeManager.cpp
+++ b/stepmania/src/ThemeManager.cpp
@@ -817,6 +817,11 @@ void ThemeManager::GetMetric( const CString &sClassName, const CString &sValueNa
 	valueOut = GetMetricA( sClassName, sValueName ); 
 }
 
+void ThemeManager::GetMetric( const CString &sClassName, const CString &sValueName, LuaExpression &valueOut )
+{
+	CString sValue = GetMetricRaw( sClassName, sValueName );
+	valueOut.SetFromExpression( sValue );
+}
 
 // lua start
 #include "LuaBinding.h"
diff --git a/stepmania/src/ThemeManager.h b/stepmania/src/ThemeManager.h
index 4f5f628a53..6fa30ff61d 100644
--- a/stepmania/src/ThemeManager.h
+++ b/stepmania/src/ThemeManager.h
@@ -74,6 +74,7 @@ public:
 	void	GetMetric( const CString &sClassName, const CString &sValueName, bool &valueOut )			{ valueOut = GetMetricB( sClassName, sValueName ); }
 	void	GetMetric( const CString &sClassName, const CString &sValueName, RageColor &valueOut )		{ valueOut = GetMetricC( sClassName, sValueName ); }
 	void	GetMetric( const CString &sClassName, const CString &sValueName, Command &valueOut );
+	void	GetMetric( const CString &sClassName, const CString &sValueName, LuaExpression &valueOut );
 	void	GetMetric( const CString &sClassName, const CString &sValueName, apActorCommands &valueOut );
 
 	//