diff --git a/python-xmlschema.changes b/python-xmlschema.changes
index 3275013..880602d 100644
--- a/python-xmlschema.changes
+++ b/python-xmlschema.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Dec  5 10:56:46 UTC 2019 - Andreas Hasenkopf <ahasenkopf@suse.com>
+
+- Handle UnicodeDecodeErrors during build process
+
 -------------------------------------------------------------------
 Wed Oct 30 12:31:19 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
 
diff --git a/python-xmlschema.spec b/python-xmlschema.spec
index 69ab4ba..b81f61a 100644
--- a/python-xmlschema.spec
+++ b/python-xmlschema.spec
@@ -46,14 +46,17 @@ rm xmlschema/tests/check_memory.py
 rm xmlschema/tests/test_memory.py
 
 %build
+export LANG="en_US.UTF8"
 %python_build
 
 %install
+export LANG="en_US.UTF8"
 %python_install
 %python_expand rm -r %{buildroot}%{$python_sitelib}/xmlschema/tests
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
+export LANG="en_US.UTF8"
 %pytest
 
 %files %{python_files}