diff --git a/gen_pass.py b/gen_pass.py
index c531b75..bdc5a87 100644
--- a/gen_pass.py
+++ b/gen_pass.py
@@ -1,16 +1,29 @@
 #!/usr/bin/env python3
 import string
 import random
+from pathlib import Path
 
 MAX_WORD_LEN = 10
 MIN_WORD_LEN = 6
+WORDLIST_PATH = Path(__file__).parent / "wordlists/words_alpha.txt"
 
-def gen_pass(dict_file="wordlists/words_alpha.txt"):
+def check_repeating_chars(word):
+    last_char = None
+    for c in word:
+        if c == last_char:
+            return True
+        else:
+            last_char = c
+
+    return False
+
+def gen_pass(dict_file=WORDLIST_PATH):
     wordlist = []
     with open(dict_file, 'r') as f:
         lines = f.read().splitlines()
         for i in range(len(lines)):
-            if not (MIN_WORD_LEN <= len(lines[i]) <= MAX_WORD_LEN):
+            if (not (MIN_WORD_LEN <= len(lines[i]) <= MAX_WORD_LEN)
+                or check_repeating_chars(lines[i])):
                 continue
 
             wordlist.append(lines[i][0].upper() + lines[i][1:])