diff --git a/stepmania/src/StdString.h b/stepmania/src/StdString.h
index 81dded861b..b244fc207f 100644
--- a/stepmania/src/StdString.h
+++ b/stepmania/src/StdString.h
@@ -1228,6 +1228,14 @@ public:
 	{
 		return MYBASE::operator[](static_cast<MYSIZE>(nIdx));
 	}
+
+	CT& operator[](long unsigned int nIdx){
+	  return MYBASE::operator[](static_cast<MYSIZE>(nIdx));
+	}
+       
+	const CT& operator[](long unsigned int nIdx) const {
+	  return MYBASE::operator[](static_cast<MYSIZE>(nIdx));
+	}
 #ifndef SS_NO_IMPLICIT_CASTS
 	operator const CT*() const
 	{