2 files changed, 2 insertions, 2 deletions
diff --git a/engines/zvision/file/zfs_archive.cpp b/engines/zvision/file/zfs_archive.cpp
index 9b55a366ed..0c076a798b 100644
--- a/engines/zvision/file/zfs_archive.cpp
+++ b/engines/zvision/file/zfs_archive.cpp
@@ -140,7 +140,7 @@ Common::SeekableReadStream *ZfsArchive::createReadStreamForMember(const Common::
 	byte *buffer = (byte *)malloc(entryHeader->size);
 	zfsArchive.read(buffer, entryHeader->size);
 	// Decrypt the data in place
-	if (_header.xorKey != 0)
+	if (_header.xorKey[0] + _header.xorKey[1] + _header.xorKey[2] + _header.xorKey[3] != 0)
 		unXor(buffer, entryHeader->size, _header.xorKey);
 
 	return new Common::MemoryReadStream(buffer, entryHeader->size, DisposeAfterUse::YES);
diff --git a/engines/zvision/file/zfs_archive.h b/engines/zvision/file/zfs_archive.h
index 571591a6d1..fe0221416d 100644
--- a/engines/zvision/file/zfs_archive.h
+++ b/engines/zvision/file/zfs_archive.h
@@ -39,7 +39,7 @@ struct ZfsHeader {
 	uint32 maxNameLength;
 	uint32 filesPerBlock;
 	uint32 fileCount;
-	byte xorKey[4];
+	uint8 xorKey[4];
 	uint32 fileSectionOffset;
 };