diff --git a/src/remember_remember_bot/commands.py b/src/remember_remember_bot/commands.py
index 29c834c..50ab482 100644
--- a/src/remember_remember_bot/commands.py
+++ b/src/remember_remember_bot/commands.py
@@ -44,7 +44,8 @@ def list_keywords(ac: deltachat.Account) -> set:
     """List current keywords"""
     keywords = set()
     for word in ac.get_config("ui.keywords").split("|"):
-        keywords.add(word)
+        if word:
+            keywords.add(word)
     return keywords