diff --git a/qt5-qtscript.spec b/qt5-qtscript.spec
index 5a9abbd..c9bc3d0 100644
--- a/qt5-qtscript.spec
+++ b/qt5-qtscript.spec
@@ -18,7 +18,7 @@ Url:     http://www.qt.io
 Source0: http://download.qt.io/official_releases/qt/5.5/%{version}%{?prerelease:-%{prerelease}}/submodules/%{qt_module}-opensource-src-%{version}%{?prerelease:-%{prerelease}}.tar.xz
 
 # add s390(x0 support to Platform.h (taken from webkit)
-Patch0: qtscript-opensource-src-5.2.0-s390.patch
+Patch0: qtscript-opensource-src-5.5.0-s390.patch
 
 BuildRequires: qt5-qtbase-devel >= %{version}
 BuildRequires: pkgconfig(Qt5UiTools)
diff --git a/qtscript-opensource-src-5.2.0-s390.patch b/qtscript-opensource-src-5.5.0-s390.patch
similarity index 65%
rename from qtscript-opensource-src-5.2.0-s390.patch
rename to qtscript-opensource-src-5.5.0-s390.patch
index 5d26399..e7871f4 100644
--- a/qtscript-opensource-src-5.2.0-s390.patch
+++ b/qtscript-opensource-src-5.5.0-s390.patch
@@ -1,8 +1,7 @@
-diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h
-index 85ed8a7..9c419da 100644
---- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h
-+++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h
-@@ -189,6 +189,18 @@
+diff -up qtscript-opensource-src-5.5.0/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h.s390 qtscript-opensource-src-5.5.0/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h
+--- qtscript-opensource-src-5.5.0/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h.s390	2015-06-29 15:05:58.000000000 -0500
++++ qtscript-opensource-src-5.5.0/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h	2015-07-16 09:57:18.963167137 -0500
+@@ -226,6 +226,18 @@
  #define WTF_CPU_SPARC 1
  #endif
  
@@ -21,7 +20,7 @@ index 85ed8a7..9c419da 100644
  /* CPU(X86) - i386 / x86 32-bit */
  #if   defined(__i386__) \
      || defined(i386)     \
-@@ -913,7 +925,7 @@
+@@ -950,7 +962,7 @@
  #if !defined(WTF_USE_JSVALUE64) && !defined(WTF_USE_JSVALUE32) && !defined(WTF_USE_JSVALUE32_64)
  #if (CPU(X86_64) && !CPU(X32) && (OS(UNIX) || OS(WINDOWS) || OS(SOLARIS) || OS(HPUX))) || (CPU(IA64) && !CPU(IA64_32)) || CPU(ALPHA) || CPU(AIX64) || CPU(SPARC64) || CPU(MIPS64) || CPU(AARCH64)
  #define WTF_USE_JSVALUE64 1