diff --git a/srcpkgs/sword/patches/ppc64.patch b/srcpkgs/sword/patches/ppc64.patch
new file mode 100644
index 00000000000..2ef8e02e84d
--- /dev/null
+++ b/srcpkgs/sword/patches/ppc64.patch
@@ -0,0 +1,22 @@
+From: Daniel Glassey <wdg@debian.org>
+Date: Sat, 3 Nov 2018 13:34:07 +0700
+Subject: powerpc64 can define __s64 differently
+
+Index: sword/include/sysdata.h
+===================================================================
+--- include/sysdata.h
++++ include/sysdata.h
+@@ -42,8 +42,13 @@ typedef unsigned int __u32;
+ 
+ #ifdef OS_ANDROID
+ #elif defined(__GNUC__)
++  #if !defined(__SANE_USERSPACE_TYPES__) && defined(__powerpc64__)
++  typedef __signed__ long __s64;
++  typedef unsigned long __u64;
++  #else
+ __extension__ typedef __signed__ long long __s64;
+ __extension__ typedef unsigned long long __u64;
++  #endif
+ #elif defined(__BORLANDC__)
+ typedef signed __int64 __s64;
+ typedef unsigned __int64 __u64;