diff --git a/.gitignore b/.gitignore
index b5ab1f1..44a9b52 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /70a94ee7d39a0958a06436aaeba05bd830830cc8.tar.gz
 /9e7c6cf0bed52e47451c81377b5a1a96366b053f.tar.gz
 /1.3.tar.gz
+/1.3.1.tar.gz
diff --git a/0001-lib-Remove-wrong-shebang-from-debug.py.patch b/0001-lib-Remove-wrong-shebang-from-debug.py.patch
deleted file mode 100644
index 3a7c0ec..0000000
--- a/0001-lib-Remove-wrong-shebang-from-debug.py.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-From 9281f4a6c42bc217c7e657d3abff3597cbe26355 Mon Sep 17 00:00:00 2001
-From: Andreas Schneider <asn@cryptomilk.org>
-Date: Tue, 2 Dec 2014 20:39:21 +0100
-Subject: [PATCH] lib: Remove wrong shebang from debug.py.
-
-Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
----
- powerline/lib/debug.py | 1 -
- 1 file changed, 1 deletion(-)
-
-diff --git a/powerline/lib/debug.py b/powerline/lib/debug.py
-index fc1ffee..515e8c4 100755
---- a/powerline/lib/debug.py
-+++ b/powerline/lib/debug.py
-@@ -1,4 +1,3 @@
--#!/usr/bin/env python
- # vim:fileencoding=utf-8:noet
- from __future__ import (unicode_literals, division, absolute_import, print_function)
- 
--- 
-2.1.2
-
diff --git a/0001-setup-Honor-CFLAGS-set-as-environment-variable.patch b/0001-setup-Honor-CFLAGS-set-as-environment-variable.patch
new file mode 100644
index 0000000..9094a41
--- /dev/null
+++ b/0001-setup-Honor-CFLAGS-set-as-environment-variable.patch
@@ -0,0 +1,32 @@
+From 0307d7c229cda63a55bc53ccb7a71fd62a669bdf Mon Sep 17 00:00:00 2001
+From: Andreas Schneider <asn@cryptomilk.org>
+Date: Tue, 9 Dec 2014 09:32:05 +0100
+Subject: [PATCH] setup: Honor CFLAGS set as environment variable
+
+Distributions normally have their preferred set of CFLAGS so the
+binaries are optimized and include debug symbols to create a debuginfo
+package. For this we need to be able to set the CFLAGS via the
+commandline and the setup.py should forward them to the compiler.
+
+Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
+---
+ setup.py | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/setup.py b/setup.py
+index 434dff5..00503f1 100755
+--- a/setup.py
++++ b/setup.py
+@@ -27,7 +27,8 @@ def compile_client():
+ 	else:
+ 		from distutils.ccompiler import new_compiler
+ 		compiler = new_compiler().compiler
+-		subprocess.check_call(compiler + ['-O3', 'client/powerline.c', '-o', 'scripts/powerline'])
++		cflags = os.environ['CFLAGS'].get() or '-O3'
++		subprocess.check_call(compiler + [cflags, 'client/powerline.c', '-o', 'scripts/powerline'])
+ 
+ try:
+ 	compile_client()
+-- 
+2.2.0
+
diff --git a/powerline.spec b/powerline.spec
index 05ab074..bd255c7 100644
--- a/powerline.spec
+++ b/powerline.spec
@@ -1,6 +1,6 @@
 Name:           powerline
-Version:        1.3
-Release:        2%{?dist}
+Version:        1.3.1
+Release:        1%{?dist}
 
 Summary:        The ultimate status-line/prompt utility
 License:        MIT
@@ -19,7 +19,7 @@ Requires:       fontconfig
 
 Source0:        https://github.com/Lokaltog/powerline/archive/%{version}.tar.gz
 
-Patch0:         0001-lib-Remove-wrong-shebang-from-debug.py.patch
+Patch0:         0001-setup-Honor-CFLAGS-set-as-environment-variable.patch
 Patch1:         powerline-1.3_fix_old_python_sphinx.patch
 
 %description
@@ -70,7 +70,7 @@ to your ~/.tmux.conf file.
 # nothing to build
 
 %install
-sed -i -e "/DEFAULT_SYSTEM_CONFIG_DIR/ s@None@'%{_sysconfdir}/xdg'@" powerline/__init__.py
+sed -i -e "/DEFAULT_SYSTEM_CONFIG_DIR/ s@None@'%{_sysconfdir}/xdg'@" powerline/config.py
 sed -i -e "/TMUX_CONFIG_DIRECTORY/ s@BINDINGS_DIRECTORY@'/usr/share'@" powerline/config.py
 CFLAGS="%{optflags}" \
 python setup.py install --prefix=%{_prefix} --root=%{buildroot} --optimize=1
@@ -81,7 +81,7 @@ pushd docs
 %__rm _build/html/.buildinfo
 # A structure gets initialized while building the docs with os.environ.
 # This works around an rpmlint error with the build dir being in a file.
-sed -e 's/abuild/user/g' _build/html/develop/extensions.html > _build/html/develop/extensions.html
+sed -i -e 's/abuild/user/g' _build/html/develop/extensions.html
 
 %__make man SPHINXBUILD=/usr/bin/sphinx-build
 popd
@@ -155,6 +155,9 @@ install -d -m0755 %{buildroot}%{_datadir}/%{name}/zsh
 mv %{buildroot}%{python_sitelib}/powerline/bindings/zsh/__init__.py %{buildroot}%{_datadir}/%{name}/zsh
 mv %{buildroot}%{python_sitelib}/powerline/bindings/zsh/powerline.zsh %{buildroot}%{_datadir}/%{name}/zsh
 
+# cleanup
+%__rm -rf %{buildroot}%{python_sitelib}/%{name}/config_files
+
 %if 0%{?fedora}
 %fdupes %{buildroot}%{python_sitelib}
 %endif
@@ -217,6 +220,10 @@ mv %{buildroot}%{python_sitelib}/powerline/bindings/zsh/powerline.zsh %{buildroo
 %{_datadir}/tmux/powerline*.conf
 
 %changelog
+* Tue Dec 09 2014 - Andreas Schneider <asn@redhat.com> - 1.3.1-1
+- Update to version 1.3.1.
+- resolves: #1171420 - Fix passing optflags to the C compiler.
+
 * Thu Dec 04 2014 - Andreas Schneider <asn@redhat.com> - 1.3-2
 - Fix powerline-config.
 
diff --git a/sources b/sources
index 701b94b..66f9423 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-37d4e54bfdaf81b49fcb5e48e24a1695  1.3.tar.gz
+76cc8410adc8c7644ad41d83d5705530  1.3.1.tar.gz