@@ -436,11 +436,11 @@
 			if ([attribute isEqual: @"version"])
 				if (![value hasPrefix: @"1."])
 					return NO;
 
 			if ([attribute isEqual: @"encoding"]) {
-				[value lower];
+				[value lowercase];
 
 				if ([value isEqual: @"utf-8"])
 					encoding = OF_STRING_ENCODING_UTF_8;
 				else if ([value isEqual: @"iso-8859-1"])
 					encoding =