diff --git a/source_control/subversion b/source_control/subversion
index 38417e801b5..0bb25605533 100644
--- a/source_control/subversion
+++ b/source_control/subversion
@@ -94,6 +94,7 @@ class Subversion(object):
 
     def _exec(self, args):
         bits = [
+            'LANG=C',
             self.svn_path,
             '--non-interactive',
             '--trust-server-cert',