diff --git a/stepmania/src/RageUtil.cpp b/stepmania/src/RageUtil.cpp
index 90b53a3065..d4a479f8c1 100644
--- a/stepmania/src/RageUtil.cpp
+++ b/stepmania/src/RageUtil.cpp
@@ -237,12 +237,17 @@ RString PrettyPercent( float fNumerator, float fDenominator)
 RString Commify( int iNum ) 
 {
 	RString sNum = ssprintf("%d",iNum);
+	return Commify( sNum );
+}
+
+RString Commify( RString sNum, RString sSeperator ) 
+{
 	RString sReturn;
 	for( unsigned i=0; i<sNum.length(); i++ )
 	{
 		char cDigit = sNum[sNum.length()-1-i];
 		if( i!=0 && i%3 == 0 )
-			sReturn = ',' + sReturn;
+			sReturn = sSeperator + sReturn;
 		sReturn = cDigit + sReturn;
 	}
 	return sReturn;
diff --git a/stepmania/src/RageUtil.h b/stepmania/src/RageUtil.h
index a93f20a213..472a9aa937 100644
--- a/stepmania/src/RageUtil.h
+++ b/stepmania/src/RageUtil.h
@@ -345,6 +345,7 @@ RString SecondsToMMSSMsMsMs( float fSecs );
 RString PrettyPercent( float fNumerator, float fDenominator );
 inline RString PrettyPercent( int fNumerator, int fDenominator ) { return PrettyPercent( float(fNumerator), float(fDenominator) ); }
 RString Commify( int iNum );
+RString Commify( RString sNum, RString sSeperator = "," );
 RString FormatNumberAndSuffix( int i );