@@ -190,11 +190,11 @@
 
 			_lastOption = '-';
 			_index++;
 
 			if ((pos = [argument rangeOfString: @"="].location) !=
-			    OF_NOT_FOUND)
+			    OFNotFound)
 				_argument = [[argument
 				    substringFromIndex: pos + 1] copy];
 			else
 				pos = argument.length;