diff --git a/registrasion/util.py b/registrasion/util.py
index 4d09fea4..b5fa0620 100644
--- a/registrasion/util.py
+++ b/registrasion/util.py
@@ -10,10 +10,10 @@ def generate_access_code():
     The access code will 4 characters long, which allows for 1,500,625
     unique codes, which really should be enough for anyone. '''
 
-    length = 4
+    length = 6
     # all upper-case letters + digits 1-9 (no 0 vs O confusion)
     chars = string.uppercase + string.digits[1:]
-    # 4 chars => 35 ** 4 = 1500625 (should be enough for anyone)
+    # 6 chars => 35 ** 6 = 1838265625 (should be enough for anyone)
     return get_random_string(length=length, allowed_chars=chars)