diff --git a/source_control/subversion.py b/source_control/subversion.py
index 7315aa1e378..1f52a2925ed 100644
--- a/source_control/subversion.py
+++ b/source_control/subversion.py
@@ -219,7 +219,7 @@ def main():
 
     # We screenscrape a huge amount of svn commands so use C locale anytime we
     # call run_command()
-    module.run_command_environ_update = dict(LANG='C', LC_ALL='C', LC_MESSAGES='C', LC_CTYPE='C')
+    module.run_command_environ_update = dict(LANG='C', LC_MESSAGES='C')
 
     svn = Subversion(module, dest, repo, revision, username, password, svn_path)