diff --git a/udiskie.spec b/udiskie.spec
index 8a4e4f5..bc1478f 100644
--- a/udiskie.spec
+++ b/udiskie.spec
@@ -1,6 +1,6 @@
 Name:           udiskie
 Version:        1.7.5
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Removable disk auto-mounter
 
 License:        MIT
@@ -52,14 +52,14 @@ cp -prt.. doc CONTRIBUTORS COPYING README.rst
 find . -name '*.py' | xargs sed -i 's|^#!python|#!%{__python3}|'
 
 %build
-CFLAGS="%{optflags}" LC_ALL="en_US.utf8" %{__python3} setup.py build
+%py3_build
 
 # Build man page
 %make_build -C doc
 
 %install
 # Define functions for installing both python2 and python3, then use in desired order
-LC_ALL="en_US.utf8" %{__python3} setup.py install --skip-build --root %{buildroot}
+%py3_install
 find %{buildroot}%{python3_sitelib} -name '*.exe' -delete
 
 # Install polkit rules
@@ -92,7 +92,7 @@ fi
 
 %check
 # Only run tests with satisfied dependencies
-LC_ALL="en_US.utf8" %{__python3} setup.py test --test-suite test.test_match
+%{__python3} setup.py test --test-suite test.test_match
 
 %files -f %{name}.lang
 %{_mandir}/man8/%{name}*.8*
@@ -113,6 +113,10 @@ LC_ALL="en_US.utf8" %{__python3} setup.py test --test-suite test.test_match
 
 
 %changelog
+* Sun Nov 18 2018 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 1.7.5-4
+- Drop explicit locale setting
+  See https://fedoraproject.org/wiki/Changes/Remove_glibc-langpacks-all_from_buildroot
+
 * Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.7.5-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild