diff --git a/include/servermd.h b/include/servermd.h
index 616841089..25d41048e 100644
--- a/include/servermd.h
+++ b/include/servermd.h
@@ -165,7 +165,7 @@ SOFTWARE.
 
 #endif /* hpux || __hppa__ */
 
-#if defined(__powerpc__) || defined(__ppc__)
+#if defined(__powerpc__) || defined(__ppc__) || defined(__ppc64__)
 
 #define IMAGE_BYTE_ORDER        MSBFirst
 #define BITMAP_BIT_ORDER        MSBFirst