diff --git a/cms/envs/test.py b/cms/envs/test.py
index 59664bfd40..7d898de478 100644
--- a/cms/envs/test.py
+++ b/cms/envs/test.py
@@ -118,3 +118,6 @@ PASSWORD_HASHERS = (
     'django.contrib.auth.hashers.SHA1PasswordHasher',
     'django.contrib.auth.hashers.MD5PasswordHasher',
 )
+
+# segment-io key for dev
+SEGMENT_IO_KEY = 'mty8edrrsg'