diff --git a/package.json b/package.json
index 60dfcf57..afc2f8b6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "debug",
-  "version": "4.4.0",
+  "version": "4.4.1",
   "repository": {
     "type": "git",
     "url": "git://github.com/debug-js/debug.git"
@@ -26,7 +26,7 @@
   "scripts": {
     "lint": "xo",
     "test": "npm run test:node && npm run test:browser && npm run lint",
-    "test:node": "istanbul cover _mocha -- test.js test.node.js",
+    "test:node": "mocha test.js test.node.js",
     "test:browser": "karma start --single-run",
     "test:coverage": "cat ./coverage/lcov.info | coveralls"
   },
@@ -37,7 +37,6 @@
     "brfs": "^2.0.1",
     "browserify": "^16.2.3",
     "coveralls": "^3.0.2",
-    "istanbul": "^0.4.5",
     "karma": "^3.1.4",
     "karma-browserify": "^6.0.0",
     "karma-chrome-launcher": "^2.2.0",
diff --git a/src/browser.js b/src/browser.js
index df8e179e..5993451b 100644
--- a/src/browser.js
+++ b/src/browser.js
@@ -219,7 +219,7 @@ function save(namespaces) {
 function load() {
 	let r;
 	try {
-		r = exports.storage.getItem('debug');
+		r = exports.storage.getItem('debug') || exports.storage.getItem('DEBUG') ;
 	} catch (error) {
 		// Swallow
 		// XXX (@Qix-) should we be logging these?
diff --git a/src/common.js b/src/common.js
index 528c7ecf..141cb578 100644
--- a/src/common.js
+++ b/src/common.js
@@ -168,7 +168,7 @@ function setup(env) {
 
 		const split = (typeof namespaces === 'string' ? namespaces : '')
 			.trim()
-			.replace(' ', ',')
+			.replace(/\s+/g, ',')
 			.split(',')
 			.filter(Boolean);