diff --git a/qt5-qtwebengine.spec b/qt5-qtwebengine.spec
index 266c7cb..8bcd81f 100644
--- a/qt5-qtwebengine.spec
+++ b/qt5-qtwebengine.spec
@@ -62,7 +62,7 @@
 Summary: Qt5 - QtWebEngine components
 Name:    qt5-qtwebengine
 Version: 5.15.12
-Release: 9%{?dist}
+Release: 9%{?dist}.1
 
 # See LICENSE.GPL LICENSE.LGPL LGPL_EXCEPTION.txt, for details
 # See also http://qt-project.org/doc/qt-5.0/qtdoc/licensing.html
diff --git a/qtwebengine-chromium-5.13.2-ppc64.patch b/qtwebengine-chromium-5.13.2-ppc64.patch
index a0f8787..8ab40ef 100644
--- a/qtwebengine-chromium-5.13.2-ppc64.patch
+++ b/qtwebengine-chromium-5.13.2-ppc64.patch
@@ -17736,3 +17736,53 @@ index 00000000000..44d0533696e
 -- 
 2.21.1
 
+From c83ab15bd06a7ef578b172f3b11c206e2fd69cb3 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Dan=20Hor=C3=A1k?= <dan@danny.cz>
+Date: Wed, 8 Jan 2020 19:13:00 +0100
+Subject: [PATCH] base/allocator: Use 64k page sizes on ppc64
+
+---
+ .../partition_allocator/page_allocator_constants.h          | 6 +++++-
+ .../partition_allocator/partition_alloc_constants.h         | 2 ++
+ 2 files changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/chromium/base/allocator/partition_allocator/page_allocator_constants.h b/chromium/base/allocator/partition_allocator/page_allocator_constants.h
+index ac82360440f..44e62b24aef 100644
+--- a/chromium/base/allocator/partition_allocator/page_allocator_constants.h
++++ b/chromium/base/allocator/partition_allocator/page_allocator_constants.h
+@@ -10,7 +10,7 @@
+ #include "build/build_config.h"
+ 
+ namespace base {
+-#if defined(OS_WIN)
++#if defined(OS_WIN) || defined(ARCH_CPU_PPC64)
+ static constexpr size_t kPageAllocationGranularityShift = 16;  // 64KB
+ #elif defined(_MIPS_ARCH_LOONGSON)
+ static constexpr size_t kPageAllocationGranularityShift = 14;  // 16KB
+@@ -26,6 +26,10 @@ static constexpr size_t kPageAllocationGranularityBaseMask =
+ 
+ #if defined(_MIPS_ARCH_LOONGSON)
+ static constexpr size_t kSystemPageSize = 16384;
++#elif defined(ARCH_CPU_PPC64)
++// TODO: modern ppc64 can do 4k and 64k page sizes
++// for now, 64k is assumed
++static constexpr size_t kSystemPageSize = 65536;
+ #else
+ static constexpr size_t kSystemPageSize = 4096;
+ #endif
+diff --git a/chromium/base/allocator/partition_allocator/partition_alloc_constants.h b/chromium/base/allocator/partition_allocator/partition_alloc_constants.h
+index 474405f0ddb..a0ef9c30b4d 100644
+--- a/chromium/base/allocator/partition_allocator/partition_alloc_constants.h
++++ b/chromium/base/allocator/partition_allocator/partition_alloc_constants.h
+@@ -35,6 +35,8 @@ static const size_t kBucketShift = (kAllocationGranularity == 8) ? 3 : 2;
+ 
+ #if defined(_MIPS_ARCH_LOONGSON)
+ static const size_t kPartitionPageShift = 16;  // 64 KiB
++#elif defined(ARCH_CPU_PPC64)
++static const size_t kPartitionPageShift = 18;  // 256 KiB
+ #else
+ static const size_t kPartitionPageShift = 14;  // 16 KiB
+ #endif
+-- 
+2.21.1
+