diff --git a/package.json b/package.json
index 744b8d81544a7a5fafee47af0f431b6753e7c665..e001174a0b257116d4680d9310e991f38db5dabb 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   },
   "scripts": {
     "postinstall": "node ./scripts/postinstall.js",
-    "start": "cross-env NODE_ENV=development webpack-dev-server",
+    "start": "cross-env NODE_ENV=development webpack-dev-server --mode=production",
     "build": "rimraf ./public && cross-env NODE_ENV=production webpack --mode=production",
     "doc": "node ./scripts/doc/build.js",
     "prettier": "prettier --write '*.js' 'src/**/*.js'",
@@ -43,7 +43,7 @@
     "moment": "^2.22.0",
     "moment-timezone": "^0.5.14",
     "moving-average": "^1.0.0",
-    "naf-janus-adapter": "^0.9.0",
+    "naf-janus-adapter": "^0.10.1",
     "networked-aframe": "https://github.com/mozillareality/networked-aframe#mr-social-client/master",
     "nipplejs": "https://github.com/mozillareality/nipplejs#mr-social-client/master",
     "phoenix": "^1.3.0",
diff --git a/webpack.config.js b/webpack.config.js
index 5f688d9bfa687d8cc517eb0b98e9d70b74fd71d2..454da02049360c1fc11b4c7bcbe820b6537faf2e 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -8,6 +8,7 @@ const webpack = require("webpack");
 const HTMLWebpackPlugin = require("html-webpack-plugin");
 const ExtractTextPlugin = require("extract-text-webpack-plugin");
 const CopyWebpackPlugin = require("copy-webpack-plugin");
+const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
 const _ = require("lodash");
 
 const SMOKE_PREFIX = "smoke-";
@@ -195,6 +196,10 @@ const config = {
       }
     ]
   },
+  // necessary due to https://github.com/visionmedia/debug/issues/547
+  optimization: {
+    minimizer: [new UglifyJsPlugin({ uglifyOptions: { compress: { collapse_vars: false } } })]
+  },
   plugins: [
     // Each output page needs a HTMLWebpackPlugin entry
     new HTMLWebpackPlugin({
diff --git a/yarn.lock b/yarn.lock
index 0dc13a86aa4c0e7a671857cc211ee5934b5b12f0..7ccb0efecb870b257f29f477f226f926a7018b51 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5288,9 +5288,9 @@ min-document@^2.19.0:
   dependencies:
     dom-walk "^0.1.0"
 
-minijanus@0.6.1:
-  version "0.6.1"
-  resolved "https://registry.yarnpkg.com/minijanus/-/minijanus-0.6.1.tgz#4d697313d58c4bdf9b762b6252981eaf7134c05f"
+minijanus@0.6.2:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/minijanus/-/minijanus-0.6.2.tgz#c5746bfbbd0573b5c3c47742f16646c6af6f897c"
 
 minimalistic-assert@^1.0.0:
   version "1.0.0"
@@ -5475,12 +5475,12 @@ mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
 
-naf-janus-adapter@^0.9.0:
-  version "0.9.5"
-  resolved "https://registry.yarnpkg.com/naf-janus-adapter/-/naf-janus-adapter-0.9.5.tgz#81fcbf068daf66820892544de4d8357614e0152d"
+naf-janus-adapter@^0.10.1:
+  version "0.10.1"
+  resolved "https://registry.yarnpkg.com/naf-janus-adapter/-/naf-janus-adapter-0.10.1.tgz#e3bd4847dba002d38446d4bea4a6908b26229928"
   dependencies:
     debug "^3.1.0"
-    minijanus "0.6.1"
+    minijanus "0.6.2"
 
 nan@^2.3.0, nan@^2.3.2:
   version "2.9.1"