diff --git a/php-5.4.11-conv.patch b/php-5.4.11-conv.patch
new file mode 100644
index 0000000..a105d76
--- /dev/null
+++ b/php-5.4.11-conv.patch
@@ -0,0 +1,29 @@
+From e67a2b9e471a7bc0b774b9056bb38745b7187969 Mon Sep 17 00:00:00 2001
+From: Remi Collet <remi@php.net>
+Date: Mon, 11 Feb 2013 09:10:51 +0100
+Subject: [PATCH] Fixed bug #64142 (dval to lval different behavior on ppc64)
+
+See discussion on internals
+http://marc.info/?t=136042277700003&r=1&w=2
+---
+ NEWS                  | 3 +++
+ Zend/zend_operators.h | 3 ++-
+ 2 files changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/Zend/zend_operators.h b/Zend/zend_operators.h
+index 02a96dd..047b92e 100644
+--- a/Zend/zend_operators.h
++++ b/Zend/zend_operators.h
+@@ -79,7 +79,8 @@ static zend_always_inline long zend_dval_to_lval(double d)
+ #else
+ static zend_always_inline long zend_dval_to_lval(double d)
+ {
+-	if (d > LONG_MAX) {
++	/* >= as (double)LONG_MAX is outside signed range */
++	if (d >= LONG_MAX) {
+ 		return (long)(unsigned long) d;
+ 	}
+ 	return (long) d;
+-- 
+1.7.11.5
+
diff --git a/php.spec b/php.spec
index 4e662d0..98018b9 100644
--- a/php.spec
+++ b/php.spec
@@ -58,7 +58,7 @@
 Summary: PHP scripting language for creating dynamic web sites
 Name: php
 Version: 5.4.12
-Release: 0.3.RC1%{?dist}
+Release: 0.4.RC1%{?dist}
 # All files licensed under PHP version 3.01, except
 # Zend is licensed under Zend
 # TSRM is licensed under BSD
@@ -88,6 +88,8 @@ Patch8: php-5.4.7-libdb.patch
 Patch21: php-5.4.7-odbctimer.patch
 # https://bugs.php.net/64128 buit-in web server is broken on ppc64
 Patch22: php-5.4.11-select.patch
+# https://bugs.php.net/64142 dval to lval issue on ppc64
+Patch23: php-5.4.11-conv.patch
 
 # Functional changes
 Patch40: php-5.4.0-dlopen.patch
@@ -663,6 +665,7 @@ support for using the enchant library to PHP.
 
 %patch21 -p1 -b .odbctimer
 %patch22 -p1 -b .select
+%patch23 -p1 -b .conv
 
 %patch40 -p1 -b .dlopen
 %patch41 -p1 -b .easter
@@ -1409,6 +1412,10 @@ fi
 
 
 %changelog
+* Mon Feb 11 2013 Remi Collet <rcollet@redhat.com> 5.4.12-0.4.RC1
+- upstream patch (5.4.13) to fix dval to lval conversion
+  https://bugs.php.net/64142
+
 * Mon Feb  4 2013 Remi Collet <rcollet@redhat.com> 5.4.12-0.3.RC1
 - upstream patch (5.4.13) for 2 failed tests