diff --git a/CI/DomainMap.py b/CI/domain_map.py
similarity index 100%
rename from CI/DomainMap.py
rename to CI/domain_map.py
diff --git a/CI/gitlab_mr_helpers.py b/CI/gitlab_mr_helpers.py
index 6620dfbf5f5f5667eaaec113cb7d940ab2218a0a..9eecfba2ccd3afa4521be997aecd6ffd9e763d2b 100644
--- a/CI/gitlab_mr_helpers.py
+++ b/CI/gitlab_mr_helpers.py
@@ -1,5 +1,5 @@
 import logging, os, re
-from DomainMap import DOMAIN_MAP
+from domain_map import DOMAIN_MAP
 
 DOMAINS = DOMAIN_MAP.keys()
 
diff --git a/CI/handle_new_mr.py b/CI/handle_new_mr.py
index 877b4b1bcc202031a43408710a5a61e6c3569660..f7c97b21f24f5aafde06c4b18b1f2368ad20af48 100644
--- a/CI/handle_new_mr.py
+++ b/CI/handle_new_mr.py
@@ -1,7 +1,7 @@
 import argparse, gitlab, logging, re, sys
 from gitlab.exceptions import GitlabGetError
 from gitlab_mr_helpers import print_collection, list_changed_packages, list_affected_domains
-from WatchList import WATCH_LIST
+from watch_list import WATCH_LIST
 
 def comment_affected_packages(packages):
     """
diff --git a/CI/WatchList.py b/CI/watch_list.py
similarity index 100%
rename from CI/WatchList.py
rename to CI/watch_list.py