diff --git a/app/controllers/api/v1/webhooks_controller.rb b/app/controllers/api/v1/webhooks_controller.rb
index 6be6c2dc..ab2fce6b 100644
--- a/app/controllers/api/v1/webhooks_controller.rb
+++ b/app/controllers/api/v1/webhooks_controller.rb
@@ -51,7 +51,7 @@ module Api
       # valida token a partir de firma de webhook
       #
       # @return [String, Boolean]
-      def token_from_signature(signature. prepend = '')
+      def token_from_signature(signature, prepend = '')
         payload = request.body.read
         site.roles.where(temporal: false, rol: 'usuarie').pluck(:token).find do |token|
           new_signature = prepend + OpenSSL::HMAC.hexdigest(OpenSSL::Digest.new('sha256'), token, payload)