+--- a/lib/decompress.c
++++ b/lib/decompress.c
+@@ -32,6 +32,7 @@ static const struct compress_format {
+ { {037, 0236}, "gzip", gunzip },
+ { {0x42, 0x5a}, "bzip2", bunzip2 },
+ { {0x5d, 0x00}, "lzma", unlzma },
++ { {0x6d, 0x00}, "lzma-openwrt", unlzma },
+ { {0, 0}, NULL, NULL }
+ };
+