diff --git a/app/controllers/readings_controller.rb b/app/controllers/readings_controller.rb
index b12bce4..a558fcc 100644
--- a/app/controllers/readings_controller.rb
+++ b/app/controllers/readings_controller.rb
@@ -16,7 +16,7 @@ class ReadingsController < ActionController::API
       reading.id = params[:transaction_uuid]
       reading.signature = request.headers[:'X-Signature']
       reading.raw_transaction = request.raw_post
-      reading.verified = reading.verify
+      reading.verified = reading.verify_ssh_signature
 
       params[:arduinos]&.each do |a|
         arduino = reading.arduinos.build local_id: a[:id], raspberry: raspberry
diff --git a/app/models/reading.rb b/app/models/reading.rb
index 342d1a4..0a6e31d 100644
--- a/app/models/reading.rb
+++ b/app/models/reading.rb
@@ -4,8 +4,8 @@ class Reading < ApplicationRecord
   belongs_to :raspberry
   has_many :arduinos
 
-  def verify
-    ssh_signature.verify transaction
+  def verify_ssh_signature
+    ssh_signature.verify raw_transaction
   rescue SSHData::Error
     false
   end