diff --git a/src/include/port/dgux.h b/src/include/port/dgux.h
index a004c2928a7..0d2f99a6fd6 100644
--- a/src/include/port/dgux.h
+++ b/src/include/port/dgux.h
@@ -1,2 +1,6 @@
-#  define LINUX_ELF
-#  define USE_POSIX_SIGNALS
+#define LINUX_ELF
+#define USE_POSIX_SIGNALS
+#ifndef         BYTE_ORDER
+# define         BYTE_ORDER      BIG_ENDIAN
+#endif
+