diff --git a/stores/redisstore/go.mod b/stores/redisstore/go.mod
index 184065b..8e88d51 100644
--- a/stores/redisstore/go.mod
+++ b/stores/redisstore/go.mod
@@ -2,4 +2,7 @@ module github.com/clevergo/captchas/stores/redisstore
 
 go 1.14
 
-require github.com/go-redis/redis/v7 v7.2.0
+require (
+	github.com/clevergo/captchas v0.3.2
+	github.com/go-redis/redis/v7 v7.2.0
+)
diff --git a/stores/redisstore/go.sum b/stores/redisstore/go.sum
index 4d3b693..90be41c 100644
--- a/stores/redisstore/go.sum
+++ b/stores/redisstore/go.sum
@@ -1,3 +1,5 @@
+github.com/clevergo/captchas v0.3.2 h1:/P/Lc8umYp052aGeyiQf8a8mED+g+lmZLqmogMrt1e0=
+github.com/clevergo/captchas v0.3.2/go.mod h1:MgQIvLx9mhOoScMJnSFvXuqbAQVIwWtLJ862K1jRvR8=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/go-redis/redis/v7 v7.2.0 h1:CrCexy/jYWZjW0AyVoHlcJUeZN19VWlbepTh1Vq6dJs=
diff --git a/stores/redisstore/store.go b/stores/redisstore/store.go
index 0ab9103..694e20a 100644
--- a/stores/redisstore/store.go
+++ b/stores/redisstore/store.go
@@ -7,6 +7,7 @@ package redisstore
 import (
 	"time"
 
+	"github.com/clevergo/captchas"
 	"github.com/go-redis/redis/v7"
 )
 
@@ -67,11 +68,16 @@ func (s *Store) Get(id string, clear bool) (string, error) {
 		return "", err
 	}
 	val, err := get.Result()
+	isNil := false
 	if err != nil {
+		isNil = err == redis.Nil
+		if isNil {
+			return "", captchas.ErrCaptchaIncorrect
+		}
 		return "", err
 	}
 
-	if clear {
+	if clear && !isNil {
 		if _, err = del.Result(); err != nil {
 			return "", err
 		}