diff --git a/pkg/captcha/captcha.go b/pkg/captcha/captcha.go
index 8fce4fc..141fd6d 100644
--- a/pkg/captcha/captcha.go
+++ b/pkg/captcha/captcha.go
@@ -68,6 +68,9 @@ func (c *Captcha) Solve(answer Answer) bool {
 }
 
 func (c *Captcha) GetAnswer() Answer {
+	if c.Answer == "" {
+		c.Answer = generateAnswer()
+	}
 	return c.Answer
 }
 
@@ -79,7 +82,7 @@ func (c *Captcha) Expiry() time.Time {
 	return c.ExpireIn
 }
 
-func GenerateAnswer() Answer {
+func generateAnswer() Answer {
 	ans, _ := rand.Int(rand.Reader, big.NewInt(maxAnswer))
 	return (Answer(ans.String()))
 }