diff --git a/services/fail2ban.nix b/services/fail2ban.nix
index bd32e170..1002c336 100644
--- a/services/fail2ban.nix
+++ b/services/fail2ban.nix
@@ -8,7 +8,6 @@
     bantime = "24h"; # Set bantime to one day
     bantime-increment = {
       enable = true; # Enable increment of bantime after each violation
-      formula = "ban.Time * math.exp(float(ban.Count+1)*banFactor)/math.exp(1*banFactor)";
       multipliers = "1 2 4 8 16 32 64";
       maxtime = "168h"; # Do not ban for more than 1 week
       overalljails = true; # Calculate the bantime based on all the violations