diff --git a/nss-kremlin-ppc64le.patch b/nss-kremlin-ppc64le.patch
index d5fe2eb..d4e9d89 100644
--- a/nss-kremlin-ppc64le.patch
+++ b/nss-kremlin-ppc64le.patch
@@ -1,26 +1,30 @@
-diff -up nss/lib/freebl/verified/kremlin/include/kremlin/internal/types.h.kremlin-ppc64 nss/lib/freebl/verified/kremlin/include/kremlin/internal/types.h
---- nss/lib/freebl/verified/kremlin/include/kremlin/internal/types.h.kremlin-ppc64	2020-02-17 14:15:27.996130995 +0100
-+++ nss/lib/freebl/verified/kremlin/include/kremlin/internal/types.h	2020-02-17 14:17:18.138486010 +0100
-@@ -56,7 +56,8 @@ typedef const char *Prims_string;
+Index: nss/lib/freebl/verified/kremlin/include/kremlin/internal/types.h
+===================================================================
+--- nss.orig/lib/freebl/verified/kremlin/include/kremlin/internal/types.h
++++ nss/lib/freebl/verified/kremlin/include/kremlin/internal/types.h
+@@ -56,7 +56,9 @@ typedef const char *Prims_string;
  #include <emmintrin.h>
  typedef __m128i FStar_UInt128_uint128;
  #elif !defined(KRML_VERIFIED_UINT128) && !defined(_MSC_VER) && \
 -    (defined(__x86_64__) || defined(__x86_64) || defined(__aarch64__))
 +    (defined(__x86_64__) || defined(__x86_64) || defined(__aarch64__) || \
-+    (defined(__powerpc64__) && defined(__LITTLE_ENDIAN__)))
++    (defined(__powerpc64__) && defined(__LITTLE_ENDIAN__)) || \
++     defined(__s390x__))
  typedef unsigned __int128 FStar_UInt128_uint128;
  #else
  typedef struct FStar_UInt128_uint128_s {
-diff -up nss/lib/freebl/verified/kremlin/kremlib/dist/minimal/fstar_uint128_gcc64.h.kremlin-ppc64 nss/lib/freebl/verified/kremlin/kremlib/dist/minimal/fstar_uint128_gcc64.h
---- nss/lib/freebl/verified/kremlin/kremlib/dist/minimal/fstar_uint128_gcc64.h.kremlin-ppc64	2020-02-17 14:15:55.389468034 +0100
-+++ nss/lib/freebl/verified/kremlin/kremlib/dist/minimal/fstar_uint128_gcc64.h	2020-02-17 14:19:16.830951610 +0100
-@@ -25,7 +25,8 @@
+Index: nss/lib/freebl/verified/kremlin/kremlib/dist/minimal/fstar_uint128_gcc64.h
+===================================================================
+--- nss.orig/lib/freebl/verified/kremlin/kremlib/dist/minimal/fstar_uint128_gcc64.h
++++ nss/lib/freebl/verified/kremlin/kremlib/dist/minimal/fstar_uint128_gcc64.h
+@@ -25,7 +25,9 @@
  #include "LowStar_Endianness.h"
  
  #if !defined(KRML_VERIFIED_UINT128) && !defined(_MSC_VER) && \
 -    (defined(__x86_64__) || defined(__x86_64) || defined(__aarch64__))
 +    (defined(__x86_64__) || defined(__x86_64) || defined(__aarch64__) || \
-+    (defined(__powerpc64__) && defined(__LITTLE_ENDIAN__)))
++    (defined(__powerpc64__) && defined(__LITTLE_ENDIAN__)) || \
++     defined(__s390x__))
  
  /* GCC + using native unsigned __int128 support */