diff -ruN xrdp-0.9.14-v/common/arch.h xrdp-0.9.14/common/arch.h
--- xrdp-0.9.14-v/common/arch.h	2020-06-26 21:13:58.000000000 +1000
+++ xrdp-0.9.14/common/arch.h	2020-08-31 20:50:39.860660903 +1000
@@ -80,7 +80,8 @@
     defined(__AIX__) || defined(__mips__) || \
     defined(__ia64__) || defined(__arm__) || \
     (defined(__PPC__) && defined(__BIG_ENDIAN__)) || \
-    (defined(__ppc__) && defined(__BIG_ENDIAN__))
+    (defined(__ppc__) && defined(__BIG_ENDIAN__)) || \
+    defined(__ppc64__) || defined(__s390__)
 #define NEED_ALIGN
 #elif defined(__x86__) || defined(__x86_64__) || \
       defined(__AMD64__) || defined(_M_IX86) || defined (_M_AMD64) || \