diff --git a/add-setter-for-test_args.patch b/add-setter-for-test_args.patch
new file mode 100644
index 0000000..1cd0a6c
--- /dev/null
+++ b/add-setter-for-test_args.patch
@@ -0,0 +1,30 @@
+# HG changeset patch
+# User Robert Kuska <rkuska@redhat.com>
+# Date 1446653216 -3600
+# Node ID f73f1baac78107dd49a5d18b6e43a40baf509d3e
+# Parent  4ce518784af886e6977fa2dbe58359d0fe161d0d
+AttributeError: cant set attribute
+
+with the recent transformation of self.test_args into
+property self.test_args doesnt accept assignation
+when test class is subclassed. This PR adds setter
+for the new property.
+
+diff --git a/setuptools/command/test.py b/setuptools/command/test.py
+--- a/setuptools/command/test.py
++++ b/setuptools/command/test.py
+@@ -80,8 +80,14 @@
+ 
+     @property
+     def test_args(self):
++        if hasattr(self, '_test_args_var'):
++            return self._test_args_var
+         return list(self._test_args())
+ 
++    @test_args.setter
++    def test_args(self, value):
++        self._test_args_var = value
++
+     def _test_args(self):
+         if self.verbose:
+             yield '--verbose'
diff --git a/python-setuptools.spec b/python-setuptools.spec
index 370a0a5..7b0c25c 100644
--- a/python-setuptools.spec
+++ b/python-setuptools.spec
@@ -100,6 +100,7 @@ execute the software that requires pkg_resources.py.
 
 %prep
 %setup -q -n %{srcname}-%{version}
+%patch1 -p1
 
 # We can't remove .egg-info (but it doesn't matter, since it'll be rebuilt):
 #  The problem is that to properly execute setuptools' setup.py,