diff --git a/compose-common.yml b/compose-common.yml
index df9a3bf46..7d083e084 100755
--- a/compose-common.yml
+++ b/compose-common.yml
@@ -23,6 +23,8 @@ base:
     # Logging
     - PYTHONUNBUFFERED=non-empty-string
     - PYTHONIOENCODING=utf-8
+    - LC_ALL=C.UTF-8
+    - LANG=C.UTF-8
 
     # We enable Python hash randomization to protect Django from certain DoS attacks.
     # See https://docs.djangoproject.com/en/1.8/howto/deployment/checklist/#python-options