diff --git a/Objective-Zip/OZZipFile.m b/Objective-Zip/OZZipFile.m
index 44ec46c..443a6e1 100644
--- a/Objective-Zip/OZZipFile.m
+++ b/Objective-Zip/OZZipFile.m
@@ -138,7 +138,7 @@
 	
 	NSDate *now= [NSDate date];
 	NSCalendar *calendar= [NSCalendar currentCalendar];
-	NSDateComponents *date= [calendar components:(NSSecondCalendarUnit | NSMinuteCalendarUnit | NSHourCalendarUnit | NSDayCalendarUnit | NSMonthCalendarUnit | NSYearCalendarUnit) fromDate:now];	
+	NSDateComponents *date= [calendar components:(NSCalendarUnitSecond | NSCalendarUnitMinute | NSCalendarUnitHour | NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear) fromDate:now];
 	zip_fileinfo zi;
 	zi.tmz_date.tm_sec= (uInt) [date second];
 	zi.tmz_date.tm_min= (uInt) [date minute];
@@ -177,7 +177,7 @@
 	}
 	
 	NSCalendar *calendar= [NSCalendar currentCalendar];
-	NSDateComponents *date= [calendar components:(NSSecondCalendarUnit | NSMinuteCalendarUnit | NSHourCalendarUnit | NSDayCalendarUnit | NSMonthCalendarUnit | NSYearCalendarUnit) fromDate:fileDate];	
+	NSDateComponents *date= [calendar components:(NSCalendarUnitSecond | NSCalendarUnitMinute | NSCalendarUnitHour | NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear) fromDate:fileDate];
 	zip_fileinfo zi;
 	zi.tmz_date.tm_sec= (uInt) [date second];
 	zi.tmz_date.tm_min= (uInt) [date minute];
@@ -216,7 +216,7 @@
 	}
 	
 	NSCalendar *calendar= [NSCalendar currentCalendar];
-	NSDateComponents *date= [calendar components:(NSSecondCalendarUnit | NSMinuteCalendarUnit | NSHourCalendarUnit | NSDayCalendarUnit | NSMonthCalendarUnit | NSYearCalendarUnit) fromDate:fileDate];	
+	NSDateComponents *date= [calendar components:(NSCalendarUnitSecond | NSCalendarUnitMinute | NSCalendarUnitHour | NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear) fromDate:fileDate];
 	zip_fileinfo zi;
 	zi.tmz_date.tm_sec= (uInt) [date second];
 	zi.tmz_date.tm_min= (uInt) [date minute];