diff --git a/src/core/passport.js b/src/core/passport.js
index 55444f7..e52cdbf 100644
--- a/src/core/passport.js
+++ b/src/core/passport.js
@@ -282,6 +282,7 @@ passport.use(new VkontakteStrategy({
         // eslint-disable-next-line max-len
         message: 'Sorry, you can not use vk login with an account that does not have a verified email set.',
       });
+      return;
     }
     const user = await oauthLogin(email, name);
     done(null, user);
diff --git a/src/data/models/Event.js b/src/data/models/Event.js
index 6e7fc9b..1e8af22 100644
--- a/src/data/models/Event.js
+++ b/src/data/models/Event.js
@@ -3,6 +3,7 @@
  * data saving for hourly events
  *
  */
+import { commandOptions } from 'redis';
 
 // its ok if its slow
 /* eslint-disable no-await-in-loop */
@@ -57,6 +58,7 @@ export async function getEventArea() {
 
 /*
  * restore area effected by last event
+ * TODO: notify RedisCanvas
  */
 export async function clearOldEvent() {
   const pos = await getEventArea();
@@ -67,7 +69,10 @@ export async function clearOldEvent() {
     for (let jc = j - 1; jc <= j + 1; jc += 1) {
       for (let ic = i - 1; ic <= i + 1; ic += 1) {
         const chunkKey = `${EVENT_BACKUP_PREFIX}:${ic}:${jc}`;
-        const chunk = await redis.get(chunkKey);
+        const chunk = await redis.get(
+          commandOptions({ returnBuffers: true }),
+          chunkKey,
+        );
         if (!chunk) {
           logger.warn(
             // eslint-disable-next-line max-len
diff --git a/src/data/models/RedisCanvas.js b/src/data/models/RedisCanvas.js
index 73508c7..21986a0 100644
--- a/src/data/models/RedisCanvas.js
+++ b/src/data/models/RedisCanvas.js
@@ -59,7 +59,9 @@ class RedisCanvas {
   static async setChunk(i, j, chunk, canvasId) {
     if (chunk.length !== TILE_SIZE * TILE_SIZE) {
       // eslint-disable-next-line no-console
-      console.error(`Tried to set chunk with invalid length ${chunk.length}!`);
+      console.error(
+        new Error(`Tried to set chunk with invalid length ${chunk.length}!`),
+      );
       return false;
     }
     const key = `ch:${canvasId}:${i}:${j}`;
diff --git a/src/socket/SocketServer.js b/src/socket/SocketServer.js
index c8e4a3b..24c050b 100644
--- a/src/socket/SocketServer.js
+++ b/src/socket/SocketServer.js
@@ -226,7 +226,9 @@ class SocketServer {
     let client = it.next();
     while (!client.done) {
       const ws = client.value;
-      if (ws.user.id === userId && ws.readyState === WebSocket.OPEN) {
+      if (ws.readyState === WebSocket.OPEN
+        && ws.user.id === userId
+      ) {
         return ws;
       }
       client = it.next();
@@ -240,7 +242,9 @@ class SocketServer {
     let client = it.next();
     while (!client.done) {
       const ws = client.value;
-      if (ws.user.id === userId && ws.readyState === WebSocket.OPEN) {
+      if (ws.readyState === WebSocket.OPEN
+        && ws.user.id === userId
+      ) {
         clients.push(ws);
       }
       client = it.next();