@@ -29,11 +29,11 @@
 @dynamic fileName, fileComment, extraField, versionMadeBy, minVersionNeeded;
 @dynamic modificationDate, compressionMethod, compressedSize, uncompressedSize;
 @dynamic CRC32, versionSpecificAttributes, generalPurposeBitFlag;
 @dynamic of_localFileHeaderOffset;
 
-- copy
+- (id)copy
 {
 	OFMutableZIPArchiveEntry *copy = [self mutableCopy];
 
 	[copy makeImmutable];