diff --git a/backend/app/cmd/server.go b/backend/app/cmd/server.go
index 05dd5377..fc90ac2b 100644
--- a/backend/app/cmd/server.go
+++ b/backend/app/cmd/server.go
@@ -823,7 +823,7 @@ func (s *ServerCommand) makeNotify(dataStore *service.DataStore, authenticator *
 		}
 	}
 
-	if len(destinations) != 0 {
+	if len(destinations) > 0 {
 		log.Printf("[INFO] make notify, types=%s", s.Notify.Type)
 		notifyService = notify.NewService(dataStore, s.Notify.QueueSize, destinations...)
 	}
diff --git a/backend/app/rest/api/rest_public_test.go b/backend/app/rest/api/rest_public_test.go
index 48cebd76..b7ee79ce 100644
--- a/backend/app/rest/api/rest_public_test.go
+++ b/backend/app/rest/api/rest_public_test.go
@@ -526,15 +526,15 @@ func TestRest_Config(t *testing.T) {
 	j := R.JSON{}
 	err := json.Unmarshal([]byte(body), &j)
 	assert.NoError(t, err)
-	assert.Equal(t, 300., j["edit_duration"])
+	assert.Equal(t, 300.0, j["edit_duration"])
 	assert.EqualValues(t, []interface{}{"a1", "a2"}, j["admins"])
 	assert.Equal(t, "admin@remark-42.com", j["admin_email"])
-	assert.Equal(t, 4000., j["max_comment_size"])
-	assert.Equal(t, -5., j["low_score"])
-	assert.Equal(t, -10., j["critical_score"])
+	assert.Equal(t, 4000.0, j["max_comment_size"])
+	assert.Equal(t, -5.0, j["low_score"])
+	assert.Equal(t, -10.0, j["critical_score"])
 	assert.False(t, j["positive_score"].(bool))
-	assert.Equal(t, 10., j["readonly_age"])
-	assert.Equal(t, 10000., j["max_image_size"])
+	assert.Equal(t, 10.0, j["readonly_age"])
+	assert.Equal(t, 10000.0, j["max_image_size"])
 	assert.Equal(t, true, j["emoji_enabled"].(bool))
 }