diff --git a/python-click-threading.changes b/python-click-threading.changes
index 7b94de0..2dd573b 100644
--- a/python-click-threading.changes
+++ b/python-click-threading.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Sep 19 03:46:05 UTC 2019 - John Vandenberg <jayvdb@gmail.com>
+
+- Add LANG to %check to fix build on Leap
+
 -------------------------------------------------------------------
 Thu Mar  7 10:26:05 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
 
diff --git a/python-click-threading.spec b/python-click-threading.spec
index 1d1aab8..7202376 100644
--- a/python-click-threading.spec
+++ b/python-click-threading.spec
@@ -54,6 +54,7 @@ rm -rf click_threading.egg-info
 %python_expand %fdupes -s %{buildroot}%{$python_sitelib}
 
 %check
+export LANG=en_US.UTF-8
 %pytest tests
 
 %files %{python_files}