diff --git a/frontend/src/upload.js b/frontend/src/upload.js
index 4988e001..6d902b0d 100644
--- a/frontend/src/upload.js
+++ b/frontend/src/upload.js
@@ -97,8 +97,9 @@ $(document).ready(function() {
   function populateFileList(file) {
     try {
       file = JSON.parse(file);
+    } catch (e) {
+      return;
     }
-    catch (e) { return }
 
     const row = document.createElement('tr');
     const name = document.createElement('td');
diff --git a/server/config.js b/server/config.js
index c49681b8..efe47a40 100644
--- a/server/config.js
+++ b/server/config.js
@@ -24,7 +24,8 @@ const conf = convict({
   },
   sentry_id: {
     format: String,
-    default: 'https://cdf9a4f43a584f759586af8ceb2194f2@sentry.prod.mozaws.net/238',
+    default:
+      'https://cdf9a4f43a584f759586af8ceb2194f2@sentry.prod.mozaws.net/238',
     env: 'P2P_SENTRY_CLIENT'
   },
   sentry_dsn: {
diff --git a/server/portal_server.js b/server/portal_server.js
index 9dc2cf01..7a4b4af9 100644
--- a/server/portal_server.js
+++ b/server/portal_server.js
@@ -45,9 +45,12 @@ app.get('/', (req, res) => {
 
 app.get('/exists/:id', (req, res) => {
   const id = req.params.id;
-  storage.exists(id).then(() => {
-    res.sendStatus(200);
-  }).catch(err => res.sendStatus(404));
+  storage
+    .exists(id)
+    .then(() => {
+      res.sendStatus(200);
+    })
+    .catch(err => res.sendStatus(404));
 });
 
 app.get('/download/:id', (req, res) => {
diff --git a/test/local.storage.test.js b/test/local.storage.test.js
index d7d33f1b..6dcdd6f2 100644
--- a/test/local.storage.test.js
+++ b/test/local.storage.test.js
@@ -44,16 +44,18 @@ const storage = proxyquire('../server/storage', {
 describe('Testing Exists from local filesystem', function() {
   it('Exists returns true when file exists', function() {
     exists.callsArgWith(1, null, 1);
-    return storage.exists('test')
-                  .then(() => assert(1))
-                  .catch(err => assert.fail())
+    return storage
+      .exists('test')
+      .then(() => assert(1))
+      .catch(err => assert.fail());
   });
 
   it('Exists returns false when file does not exist', function() {
     exists.callsArgWith(1, null, 0);
-    return storage.exists('test')
-                  .then(() => assert.fail())
-                  .catch(err => assert(1))
+    return storage
+      .exists('test')
+      .then(() => assert.fail())
+      .catch(err => assert(1));
   });
 });