diff --git a/attribute/attribute.go b/attribute/attribute.go
index bace623..ea28fbd 100644
--- a/attribute/attribute.go
+++ b/attribute/attribute.go
@@ -33,9 +33,11 @@ func Init() {
 }
 
 func Add(Key, Description, Default string) error {
-	result := store.DB.Exec(`select "value" from "attributes" where "key" = ?`, Key)
-	if result.RowsAffected != 0 {
-		return nil
+	ctr := 0
+	store.DB.Raw(`select count(*) from "attributes" where "key" = ?`, Key).
+		Scan(&ctr)
+	if ctr != 0 {
+		return ErrorAttributeExist
 	}
 	a := &Attribute{
 		Key:         Key,
@@ -43,7 +45,9 @@ func Add(Key, Description, Default string) error {
 		Default:     Default,
 		Value:       Default,
 	}
-	return store.DB.Create(a).Error
+	err := store.DB.Create(a).Error
+
+	return err
 }
 
 func RestoreDefault(key string) error {
diff --git a/attribute/attribute_test.go b/attribute/attribute_test.go
new file mode 100644
index 0000000..40a5af1
--- /dev/null
+++ b/attribute/attribute_test.go
@@ -0,0 +1,22 @@
+package attribute
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/spf13/viper"
+	"kumoly.io/kumoly/app/store"
+)
+
+func TestAttr(t *testing.T) {
+	viper.Set("data", "work")
+	viper.Set("db.type", "sqlite")
+	store.Setup()
+	Init()
+	fmt.Println(Add("test", "", "1"))
+	fmt.Println(Add("test1", "", "2"))
+	fmt.Println(Add("test2", "", "2"))
+	fmt.Println(Add("test3", "", "2"))
+	fmt.Println(Set("test", "reset"))
+	fmt.Println(Get("test"))
+}
diff --git a/attribute/errors.go b/attribute/errors.go
index 78342ba..90286c5 100644
--- a/attribute/errors.go
+++ b/attribute/errors.go
@@ -6,6 +6,12 @@ import (
 	"kumoly.io/kumoly/app/errors"
 )
 
+var ErrorAttributeExist = errors.Error{
+	Code:    http.StatusBadRequest,
+	ID:      "ErrorAttributeExist",
+	Message: "Attribute already exist",
+}
+
 var ErrorAttributeNotFound = errors.Error{
 	Code:    http.StatusNotFound,
 	ID:      "ErrorTokenNotValid",