diff --git a/common/parse.h b/common/parse.h
index f92e76de..3ec37104 100644
--- a/common/parse.h
+++ b/common/parse.h
@@ -278,6 +278,35 @@ struct stream
 } while (0)
 #endif
 
+/******************************************************************************/
+#if defined(B_ENDIAN) || defined(NEED_ALIGN)
+#define out_uint64_le(s, v) do \
+{ \
+  *((s)->p) = (unsigned char)((v) >> 0); \
+  (s)->p++; \
+  *((s)->p) = (unsigned char)((v) >> 8); \
+  (s)->p++; \
+  *((s)->p) = (unsigned char)((v) >> 16); \
+  (s)->p++; \
+  *((s)->p) = (unsigned char)((v) >> 24); \
+  (s)->p++; \
+  *((s)->p) = (unsigned char)((v) >> 32); \
+  (s)->p++; \
+  *((s)->p) = (unsigned char)((v) >> 40); \
+  (s)->p++; \
+  *((s)->p) = (unsigned char)((v) >> 48); \
+  (s)->p++; \
+  *((s)->p) = (unsigned char)((v) >> 56); \
+  (s)->p++; \
+} while (0)
+#else
+#define out_uint64_le(s, v) do \
+{ \
+  *((tui64*)((s)->p)) = (v); \
+  (s)->p += 8; \
+} while (0)
+#endif
+
 /******************************************************************************/
 #define out_uint32_be(s, v) do \
 { \