diff --git a/0173-qimage_conversions.cpp-Fix-build-on-big-endian-syste.patch b/0173-qimage_conversions.cpp-Fix-build-on-big-endian-syste.patch
new file mode 100644
index 0000000..1e13016
--- /dev/null
+++ b/0173-qimage_conversions.cpp-Fix-build-on-big-endian-syste.patch
@@ -0,0 +1,38 @@
+From 404f4281fda764cafdaa5635db995dabc4f1de8c Mon Sep 17 00:00:00 2001
+From: Dmitry Shachnev <mitya57@gmail.com>
+Date: Tue, 9 Dec 2014 09:27:53 +0300
+Subject: [PATCH 173/179] qimage_conversions.cpp: Fix build on big endian
+ systems
+
+Change-Id: I8149eb2deaa101daf85a957ff48c3a7140c43bbc
+Reviewed-by: Timo Jyrinki <timo.jyrinki@canonical.com>
+Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>
+---
+ src/gui/image/qimage_conversions.cpp | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/gui/image/qimage_conversions.cpp b/src/gui/image/qimage_conversions.cpp
+index 17563b1..858a0d9 100644
+--- a/src/gui/image/qimage_conversions.cpp
++++ b/src/gui/image/qimage_conversions.cpp
+@@ -2252,7 +2252,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
+         convert_ARGB_to_ARGB_PM,
+ #else
+         0,
+-        0
++        0,
+ #endif
+         0, 0, 0, 0
+     }, // Format_RGBA8888
+@@ -2281,7 +2281,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
+ #else
+         0,
+         0,
+-        0
++        0,
+ #endif
+         0, 0, 0, 0
+     }, // Format_RGBA8888_Premultiplied
+-- 
+1.9.3
+
diff --git a/qt5-qtbase.spec b/qt5-qtbase.spec
index ce20b76..cc542bc 100644
--- a/qt5-qtbase.spec
+++ b/qt5-qtbase.spec
@@ -84,6 +84,7 @@ Patch50: qt5-poll.patch
 # tweak font gamma correction, from:
 # https://bugreports.qt-project.org/browse/QTBUG-41590
 Patch109: 0009-Do-not-apply-subpixel-gamma-correction-on-XCB.patch
+Patch273: 0173-qimage_conversions.cpp-Fix-build-on-big-endian-syste.patch
 
 # macros, be mindful to keep sync'd with macros.qt5
 Source1: macros.qt5
@@ -317,6 +318,7 @@ rm -fv mkspecs/linux-g++*/qmake.conf.multilib-optflags
 #patch50 -p1 -b .poll
 
 %patch109 -p1 -b .0009
+%patch273 -p1 -b .0173
 
 # drop -fexceptions from $RPM_OPT_FLAGS
 RPM_OPT_FLAGS=`echo $RPM_OPT_FLAGS | sed 's|-fexceptions||g'`