Index: src/OFZIPArchive.m
==================================================================
--- src/OFZIPArchive.m
+++ src/OFZIPArchive.m
@@ -149,15 +149,26 @@
 
 - (void)OF_readZIPInfo
 {
 	void *pool = objc_autoreleasePoolPush();
 	uint16_t commentLength;
+	size_t offset = 0;
+	bool valid = false;
 
 	[_file seekToOffset: -22
 		     whence: SEEK_END];
 
-	if ([_file readLittleEndianInt32] != 0x06054B50)
+	while (offset++ < 65536) {
+		if ([_file readLittleEndianInt32] == 0x06054B50) {
+			valid = true;
+			break;
+		} else
+			[_file seekToOffset: -5
+				     whence: SEEK_CUR];
+	}
+
+	if (!valid)
 		@throw [OFInvalidFormatException exception];
 
 	_diskNumber = [_file readLittleEndianInt16],
 	_centralDirectoryDisk = [_file readLittleEndianInt16];
 	_centralDirectoryEntriesInDisk = [_file readLittleEndianInt16];