diff --git a/config/config.exs b/config/config.exs
index eba401d3e..45a22f5da 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -12,7 +12,7 @@
 
 config :pleroma, Pleroma.Captcha,
   enabled: false,
-  minutes_retained: 5,
+  seconds_retained: 180,
   method: Pleroma.Captcha.Kocaptcha
 
 config :pleroma, Pleroma.Captcha.Kocaptcha, endpoint: "https://captcha.kotobank.ch"
diff --git a/lib/pleroma/captcha/captcha.ex b/lib/pleroma/captcha/captcha.ex
index 2dcbc4717..26477a214 100644
--- a/lib/pleroma/captcha/captcha.ex
+++ b/lib/pleroma/captcha/captcha.ex
@@ -40,9 +40,9 @@ def handle_call(:new, _from, state) do
     else
       new_captcha = method().new()
 
-      minutes_retained = Pleroma.Config.get!([__MODULE__, :minutes_retained])
+      seconds_retained = Pleroma.Config.get!([__MODULE__, :seconds_retained])
       # Wait several minutes and if the captcha is still there, delete it
-      Process.send_after(self(), {:cleanup, new_captcha.token}, 1000 * 60 * minutes_retained)
+      Process.send_after(self(), {:cleanup, new_captcha.token}, 1000 * seconds_retained)
 
       {:reply, new_captcha, state}
     end