diff --git a/scripts/gen_wordlist.py b/scripts/gen_wordlist.py
index dd10212..3f8e23b 100755
--- a/scripts/gen_wordlist.py
+++ b/scripts/gen_wordlist.py
@@ -23,6 +23,8 @@ def main(args):
     words = [ word[0] for word in words if word[1] > args.frequency_min and word[0].isalpha() and len(word[0]) == args.word_length ]
 
     words.sort(key=lambda word: word[1])
+    # remove duplicates
+    words = list(set(words))
     print(f"wordlist = {json.dumps(words)}")
     print(f"{args}", file=sys.stderr)
     print(f"{len(words)=}", file=sys.stderr)