diff --git a/miner.h b/miner.h
index 908d2981..cd4c243d 100644
--- a/miner.h
+++ b/miner.h
@@ -159,6 +159,7 @@ static inline int fsync (int fd)
 #ifndef htobe32
 # if __BYTE_ORDER == __LITTLE_ENDIAN
 #  define htole16(x) (x)
+#  define le16toh(x) (x)
 #  define htole32(x) (x)
 #  define htole64(x) (x)
 #  define le32toh(x) (x)
@@ -169,6 +170,7 @@ static inline int fsync (int fd)
 #  define htobe64(x) bswap_64(x)
 # elif __BYTE_ORDER == __BIG_ENDIAN
 #  define htole16(x) bswap_16(x)
+#  define le16toh(x) bswap_16(x)
 #  define htole32(x) bswap_32(x)
 #  define le32toh(x) bswap_32(x)
 #  define le64toh(x) bswap_64(x)