diff --git a/internal/captcha/dwelling_captcha.go b/internal/captcha/dwelling_captcha.go
index 2ef24cc..304f42f 100644
--- a/internal/captcha/dwelling_captcha.go
+++ b/internal/captcha/dwelling_captcha.go
@@ -86,6 +86,6 @@ func (c *DwellingCaptcha) IsSolved() bool {
 	return c.Solved
 }
 
-func (c *DwellingCaptcha) Expire() time.Time {
+func (c *DwellingCaptcha) Expiry() time.Time {
 	return c.ExpireIn
 }