diff --git a/js-1.5-va_copy.patch b/js-1.5-va_copy.patch
index 7c34f74..7845858 100644
--- a/js-1.5-va_copy.patch
+++ b/js-1.5-va_copy.patch
@@ -1,7 +1,6 @@
-diff -Naupr js.orig/src/config/Linux_All.mk js/src/config/Linux_All.mk
---- js.orig/src/config/Linux_All.mk	2005-05-10 21:53:44.000000000 +0200
-+++ js/src/config/Linux_All.mk	2006-01-26 11:38:12.000000000 +0100
-@@ -91,8 +91,12 @@ endif
+--- js/src/config/Linux_All.mk.vacopy	2009-05-29 10:35:14.000000000 +0200
++++ js/src/config/Linux_All.mk	2009-05-29 10:44:55.000000000 +0200
+@@ -91,8 +91,17 @@ endif
  JS_EDITLINE = 1
  
  ifeq ($(CPU_ARCH),x86_64)
@@ -13,6 +12,11 @@ diff -Naupr js.orig/src/config/Linux_All.mk js/src/config/Linux_All.mk
 +
 +ifeq ($(CPU_ARCH),ppc)
 +# Use va_copy() standard macro on ppc too
++OS_CFLAGS += -DHAVE_VA_COPY -DVA_COPY=va_copy
++endif
++
++ifeq ($(CPU_ARCH),s390x)
++# Use va_copy() standard macro on s390x too
  OS_CFLAGS += -DHAVE_VA_COPY -DVA_COPY=va_copy
  endif
  
diff --git a/js.spec b/js.spec
index 6b9dc28..51e49ec 100644
--- a/js.spec
+++ b/js.spec
@@ -3,7 +3,7 @@
 Summary: JavaScript interpreter and libraries
 Name: js
 Version: 1.70
-Release: 5%{?dist}
+Release: 6%{?dist}
 # The sources are triple licensed, but when we link against readline which is
 # GPL, the result can only be GPL.
 %if 0%{?_without_readline:1}
@@ -128,6 +128,9 @@ export BUILD_OPT=1
 
 
 %changelog
+* Fri May 29 2009 Dan Horak <dan[at]danny.cz> 1.70-6
+- update the va_copy patch for s390x
+
 * Thu Apr  9 2009 Matthias Saou <http://freshrpms.net/> 1.70-5
 - Update description (#487903).