diff --git a/js-1.5-va_copy.patch b/js-1.5-va_copy.patch
index 7845858..cf64d3a 100644
--- a/js-1.5-va_copy.patch
+++ b/js-1.5-va_copy.patch
@@ -15,8 +15,8 @@
 +OS_CFLAGS += -DHAVE_VA_COPY -DVA_COPY=va_copy
 +endif
 +
-+ifeq ($(CPU_ARCH),s390x)
-+# Use va_copy() standard macro on s390x too
++ifeq (s390,$(findstring s390,$(CPU_ARCH)))
++# Use va_copy() standard macro on s390/s390x too
  OS_CFLAGS += -DHAVE_VA_COPY -DVA_COPY=va_copy
  endif
  
diff --git a/js.spec b/js.spec
index f1ad21d..e40d4ac 100644
--- a/js.spec
+++ b/js.spec
@@ -3,7 +3,7 @@
 Summary:	JavaScript interpreter and libraries
 Name:	js
 Version:	1.70
-Release:	10%{?dist}
+Release:	11%{?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}
@@ -125,6 +125,9 @@ export BUILD_OPT=1
 %{_includedir}/js.msg
 
 %changelog
+* Mon Jun 14 2010 Dan Horák <dan[at]danny.cz> - 1.70-11
+- updated the va_copy patch for s390
+
 * Mon Jan 25 2010 Pavel Alexeev <Pahan@Hubbitus.info> - 1.70-10
 - Remove static library from -devel - %%{_libdir}/*.a (bz#556057) to meet guidelines.