diff --git a/ghc-gtk.spec b/ghc-gtk.spec
index 146d875..aa49b72 100644
--- a/ghc-gtk.spec
+++ b/ghc-gtk.spec
@@ -10,6 +10,7 @@ Summary:        Binding to the Gtk+ graphical user interface library
 License:        LGPLv2+
 Url:            https://hackage.haskell.org/package/%{pkg_name}
 Source0:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/%{pkg_name}-%{version}.tar.gz
+Patch0:         gtk-Debian-ppc64-work-around-pixel-define.patch
 
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
@@ -57,6 +58,9 @@ This package provides the Haskell %{pkg_name} library development files.
 
 %prep
 %setup -q -n %{pkg_name}-%{version}
+%ifarch ppc64 ppc64le
+%patch0 -p1 -b .orig
+%endif
 
 
 %build
@@ -91,6 +95,7 @@ rm -r %{buildroot}%{_datadir}/%{pkg_name}-%{version}
 %changelog
 * Tue Jun 21 2016 Jens Petersen <petersen@redhat.com> - 0.14.2-1
 - update to 0.14.2
+- Debian patch for ppc64 pixel (#1291500)
 
 * Sat Mar  5 2016 Jens Petersen <petersen@fedoraproject.org> - 0.13.9-3
 - rebuild
diff --git a/gtk-Debian-ppc64-work-around-pixel-define.patch b/gtk-Debian-ppc64-work-around-pixel-define.patch
new file mode 100644
index 0000000..443e606
--- /dev/null
+++ b/gtk-Debian-ppc64-work-around-pixel-define.patch
@@ -0,0 +1,17 @@
+Description: Work around predefined "pixel" on some architectures
+ "pixel" is predefined on some Ubuntu architectures, confusing gtk2hsC2hs.
+ Explicitly undefine it to work around this.
+Author: Colin Watson <cjwatson@ubuntu.com>
+Forwarded: no
+Last-Update: 2014-06-05
+
+Index: b/gtk.cabal
+===================================================================
+--- a/gtk.cabal
++++ b/gtk.cabal
+@@ -399,3 +399,5 @@
+           cc-options: -DGTK2HS_SET_FMODE_BINARY
+
+         pkgconfig-depends: gthread-2.0, gtk+-2.0
++
++        cpp-options: -Upixel