diff --git a/pokemontools/labels.py b/pokemontools/labels.py
index 2e50b89..1509ae6 100644
--- a/pokemontools/labels.py
+++ b/pokemontools/labels.py
@@ -5,6 +5,7 @@ Various label/line-related functions.
 
 import os
 import json
+import logging
 
 import pointers
 import crystal