diff --git a/.travis.yml b/.travis.yml
index 16ff2f68..290ab300 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,8 +2,8 @@ dist: trusty
 sudo: required
 language: node_js
 node_js:
-- '9'
 - '8'
+- '9'
 
 deploy:
   provider: heroku
diff --git a/backend/middlewares/RenderingMWs.ts b/backend/middlewares/RenderingMWs.ts
index 87ae460d..a0787f46 100644
--- a/backend/middlewares/RenderingMWs.ts
+++ b/backend/middlewares/RenderingMWs.ts
@@ -64,8 +64,8 @@ export class RenderingMWs {
 
     if (err instanceof ErrorDTO) {
       if (err.details) {
+        Logger.warn('Handled error:', err);
         if (!(req.session.user && req.session.user.role >= UserRoles.Developer)) {
-          Logger.warn('Handled error:', err);
           delete (err.details);
         } else {
           try {
diff --git a/package.json b/package.json
index 90c5991b..c87c3a5a 100644
--- a/package.json
+++ b/package.json
@@ -105,7 +105,7 @@
     "rimraf": "2.6.2",
     "run-sequence": "2.2.1",
     "rxjs": "6.2.0",
-    "rxjs-compat": "^6.1.0",
+    "rxjs-compat": "^6.2.0",
     "ts-helpers": "1.1.2",
     "ts-node": "6.0.3",
     "tslint": "5.10.0",
@@ -119,6 +119,6 @@
     "sharp": "0.20.2"
   },
   "engines": {
-    "node": ">= 6.9"
+    "node": ">= 6.9 <10.0"
   }
 }