diff --git a/dcc/doom_base.py b/dcc/doom_base.py
index b64ce5e..f9095e5 100644
--- a/dcc/doom_base.py
+++ b/dcc/doom_base.py
@@ -3,6 +3,7 @@ from cliff.command import Command
 import dcc.config
 import io
 import os
+import re
 import tomlkit
 
 class Wad(dcc.config.Base):