diff --git a/plugins/wordbot.py b/plugins/wordbot.py
index e539047..dd76dc9 100644
--- a/plugins/wordbot.py
+++ b/plugins/wordbot.py
@@ -235,7 +235,7 @@ class Wordbot(Plugin):
                 if not self.db.is_game_active(channel):
                     # Don't try to score words for inactive games
                     return
-                words_in_line = {re.findall("[a-z0-9-]+", line.lower())}
+                words_in_line = set(re.findall(r"[a-z0-9-]+", line.lower()))
                 matches = words_in_line & self.db.unmatched_words(channel)
                 for word in matches:
                     self.send_to(