1 files changed, 1 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index 573c1f7a..1f94c631 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,7 +15,7 @@ downloadcache = ~/cache/pip
 usedevelop = True
 # LC_ALL see https://github.com/gabrielfalcao/HTTPretty/issues/223
 setenv = VIRTUAL_ENV={envdir}
-    LC_ALL = en_US.utf-8
+    LC_ALL = C
 deps = -r{toxinidir}/test-requirements.txt
     -r{toxinidir}/requirements.txt
 # noproxy needed for several of the curtin jenkins jobs