diff --git a/python-textX.changes b/python-textX.changes
index c8079f9..00d43c7 100644
--- a/python-textX.changes
+++ b/python-textX.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jul  9 11:53:21 UTC 2019 - Sebastian Wagner <sebix+novell.com@sebix.at>
+
+- Fix Tests for Leap 15.1: click requires UTF-8 locale.
+
 -------------------------------------------------------------------
 Sat Jun  8 14:09:51 UTC 2019 - Sebastian Wagner <sebix+novell.com@sebix.at>
 
diff --git a/python-textX.spec b/python-textX.spec
index fede626..5e119b1 100644
--- a/python-textX.spec
+++ b/python-textX.spec
@@ -101,7 +101,9 @@ popd
 
 %check
 export PYTHONDONTWRITEBYTECODE=1
-PATH=$PATH:%{buildroot}%{_bindir} %pytest
+export LC_ALL=C.UTF-8
+export PATH=$PATH:%{buildroot}%{_bindir}
+%pytest
 %python_expand rm -r %{buildroot}%{$python_sitelib}/data_dsl*
 %python_expand rm -r %{buildroot}%{$python_sitelib}/flow_codegen*
 %python_expand rm -r %{buildroot}%{$python_sitelib}/flow_dsl*