@@ -56,11 +56,11 @@
 	[mutableString replaceOccurrencesOfString: @"\f" withString: @"\\f"];
 	[mutableString replaceOccurrencesOfString: @"\r" withString: @"\\r"];
 	[mutableString replaceOccurrencesOfString: @"\n" withString: @"\\n"];
 	[mutableString replaceOccurrencesOfString: @"\"" withString: @"\\\""];
 
-	[mutableString prependString: @"\""];
+	[mutableString insertString: @"\"" atIndex: 0];
 	[mutableString appendString: @"\""];
 
 	[mutableString makeImmutable];
 
 	return mutableString;