--- a/squashfs-tools/lzma_wrapper.c
+++ b/squashfs-tools/lzma_wrapper.c
@@ -32,7 +32,7 @@ int lzma_compress(void **strm, char *des
 	int res;
 
 	res = LzmaCompress(d + LZMA_HEADER_SIZE, &outlen, s, size, d,
-		&props_size, 5, block_size, 3, 0, 2, 32, 1);
+		&props_size, 5, block_size, 1, 2, 2, 32, 1);
 	
 	if(res == SZ_ERROR_OUTPUT_EOF) {
 		/*
