diff --git a/include/boost/predef/other/endian.h b/include/boost/predef/other/endian.h
index b42da53..b1e360b 100644
--- a/include/boost/predef/other/endian.h
+++ b/include/boost/predef/other/endian.h
@@ -127,7 +127,8 @@ information and acquired knowledge:
         defined(__AARCH64EL__) || \
         defined(_MIPSEL) || \
         defined(__MIPSEL) || \
-        defined(__MIPSEL__)
+        defined(__MIPSEL__) || \
+        defined(__riscv)
 #       undef BOOST_ENDIAN_LITTLE_BYTE
 #       define BOOST_ENDIAN_LITTLE_BYTE BOOST_VERSION_NUMBER_AVAILABLE
 #   endif