diff --git a/pygobject-3.9.90-pep8.patch b/pygobject-3.9.90-pep8.patch
new file mode 100644
index 0000000..81cceae
--- /dev/null
+++ b/pygobject-3.9.90-pep8.patch
@@ -0,0 +1,51 @@
+From c7b75a8c250078ac8ea28752f087ed687bd20edd Mon Sep 17 00:00:00 2001
+From: Yanko Kaneti <yaneti@declera.com>
+Date: Wed, 21 Aug 2013 08:53:07 +0200
+Subject: [PATCH] Fix PEP-8 errors in propertyhelper.py
+
+https://bugzilla.gnome.org/show_bug.cgi?id=706319
+
+Signed-off-by: Martin Pitt <martinpitt@gnome.org>
+---
+ gi/_gobject/propertyhelper.py | 12 ++++++------
+ 1 file changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/gi/_gobject/propertyhelper.py b/gi/_gobject/propertyhelper.py
+index 162d30a..c9400df 100644
+--- a/gi/_gobject/propertyhelper.py
++++ b/gi/_gobject/propertyhelper.py
+@@ -185,16 +185,16 @@ class Property(object):
+         if minimum is not None:
+             if minimum < self._get_minimum():
+                 raise TypeError(
+-                    "Minimum for type %s cannot be lower than %d" % (
+-                    self.type, self._get_minimum()))
++                    "Minimum for type %s cannot be lower than %d" %
++                    (self.type, self._get_minimum()))
+         else:
+             minimum = self._get_minimum()
+         self.minimum = minimum
+         if maximum is not None:
+             if maximum > self._get_maximum():
+                 raise TypeError(
+-                    "Maximum for type %s cannot be higher than %d" % (
+-                    self.type, self._get_maximum()))
++                    "Maximum for type %s cannot be higher than %d" %
++                    (self.type, self._get_maximum()))
+         else:
+             maximum = self._get_maximum()
+         self.maximum = maximum
+@@ -393,8 +393,8 @@ def install_properties(cls):
+                 raise TypeError(
+                     "GObject subclass %r defines do_get/set_property"
+                     " and it also uses a property with a custom setter"
+-                    " or getter. This is not allowed" % (
+-                    cls.__name__,))
++                    " or getter. This is not allowed" %
++                    (cls.__name__,))
+ 
+     def obj_get_property(self, pspec):
+         name = pspec.name.replace('-', '_')
+-- 
+1.8.3.1
+
diff --git a/pygobject3.spec b/pygobject3.spec
index f57733b..11263fb 100644
--- a/pygobject3.spec
+++ b/pygobject3.spec
@@ -64,6 +64,10 @@ Patch2: pygobject-3.3.4-known-failures.patch
 # Not yet sent upstream:
 Patch3: test-list-marshalling.patch
 
+# Backported from upstream, fixes build with newer PEP8
+# https://bugzilla.gnome.org/show_bug.cgi?id=706319
+Patch4: pygobject-3.9.90-pep8.patch
+
 # Disable a test that still fails on ppc64 (see
 #   https://bugzilla.redhat.com/show_bug.cgi?id=924425#c7 )
 # Filed upstream as:
@@ -153,6 +157,7 @@ for use in Python 3 programs.
 %setup -q -n pygobject-%{version}
 %patch2 -p1 -b .known-failures
 %patch3 -p1 -b .test-list-marshalling
+%patch4 -p1 -b .pep8
 %patch5 -p1
 
 %if 0%{?with_python3}