diff --git a/lib/middlewares/authorize.js b/lib/middlewares/authorize.js
index d8781882..a76a7438 100644
--- a/lib/middlewares/authorize.js
+++ b/lib/middlewares/authorize.js
@@ -1,19 +1,21 @@
 const pairing = require('../pairing')
+const logger = require('../logger')
 
 const authorize = function (req, res, next) {
-  const deviceId = req.deviceId
-
-  return pairing.isPaired(deviceId)
+  return pairing.isPaired(req.deviceId)
     .then(deviceName => {
       if (deviceName) {
-        req.deviceId = deviceId
         req.deviceName = deviceName
         return next()
       }
 
+      logger.error(`Device ${req.deviceId} not found`)
       return res.status(403).json({ error: 'Forbidden' })
     })
-    .catch(next)
+    .catch(error => {
+      logger.error(error)
+      return next()
+    })
 }
 
 module.exports = authorize
diff --git a/lib/middlewares/ca.js b/lib/middlewares/ca.js
index a43af019..0c202d0a 100644
--- a/lib/middlewares/ca.js
+++ b/lib/middlewares/ca.js
@@ -1,11 +1,15 @@
 const pairing = require('../pairing')
+const logger = require('../logger')
 
 function ca (req, res) {
   const token = req.query.token
 
   return pairing.authorizeCaDownload(token)
     .then(ca => res.json({ ca }))
-    .catch(() => res.status(403).json({ error: 'forbidden' }))
+    .catch(error => {
+      logger.error(error.message)
+      res.status(403).json({ error: 'forbidden' })
+    })
 }
 
 module.exports = ca