diff --git a/for_sphinx.patch b/for_sphinx.patch
new file mode 100644
index 0000000..6f7c304
--- /dev/null
+++ b/for_sphinx.patch
@@ -0,0 +1,12 @@
+Index: pbr-4.0.3/setup.cfg
+===================================================================
+--- pbr-4.0.3.orig/setup.cfg
++++ pbr-4.0.3/setup.cfg
+@@ -55,7 +55,6 @@ console_scripts =
+ all-files = 1
+ build-dir = doc/build
+ source-dir = doc/source
+-warning-is-error = 1
+ 
+ [wheel]
+ universal = 1
diff --git a/python-pbr-doc.changes b/python-pbr-doc.changes
index 78a1ca1..963b15c 100644
--- a/python-pbr-doc.changes
+++ b/python-pbr-doc.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri May 25 09:48:46 UTC 2018 - mimi.vx@gmail.com
+
+- for_sphinx.patch - allow warnings for sphinx_build
+  unfortuanetly python3 and python2 Sphinx have diff in docstring parsing
+
 -------------------------------------------------------------------
 Wed May 23 02:48:49 UTC 2018 - arun@gmx.de
 
diff --git a/python-pbr-doc.spec b/python-pbr-doc.spec
index c87f66e..94e6a32 100644
--- a/python-pbr-doc.spec
+++ b/python-pbr-doc.spec
@@ -26,6 +26,7 @@ Group:          Development/Languages/Python
 URL:            http://pypi.python.org/pypi/pbr
 Source:         https://files.pythonhosted.org/packages/source/p/pbr/pbr-%{version}.tar.gz
 Source1:        python-pbr-rpmlintrc
+Patch0:         for_sphinx.patch
 BuildRequires:  fdupes
 # Documentation requirements:
 BuildRequires:  python3-Sphinx >= 1.6.2
@@ -40,6 +41,7 @@ This package contains documentation files for python-pbr
 %setup -q -n pbr-%{version}
 # Get rid of ugly build-time deps that require network:
 sed -i "s/, 'sphinx\.ext\.intersphinx'//" doc/source/conf.py
+%patch0 -p1
 
 %build
 python3 setup.py build_sphinx
diff --git a/python-pbr.changes b/python-pbr.changes
index 932e950..3d2091b 100644
--- a/python-pbr.changes
+++ b/python-pbr.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri May 25 09:48:46 UTC 2018 - mimi.vx@gmail.com
+
+- for_sphinx.patch - allow warnings for sphinx_build
+  unfortuanetly python3 and python2 Sphinx have diff in docstring parsing
+
 -------------------------------------------------------------------
 Wed May 23 02:48:49 UTC 2018 - arun@gmx.de