diff --git a/Makefile b/Makefile
index 1414d96..815afad 100644
--- a/Makefile
+++ b/Makefile
@@ -16,14 +16,16 @@ min: bankersbox.min.js
 
 test:
 	@echo "Testing bankersbox.js:"
-	@NODE_PATH=`pwd` expresso -s tests/*
+	@NODE_PATH=`pwd` ./node_modules/.bin/expresso -s tests/*.test.coffee
+	@NODE_PATH=`pwd` ./node_modules/.bin/expresso -s tests/*.test_special.coffee
 
 testmin: min
 	@mkdir -p src-min-tmp
 	@rm -f src-min-tmp/bankersbox.js
 	@ln -s ../bankersbox.min.js src-min-tmp/bankersbox.js
 	@echo "Testing MINIFIED file:"
-	@NODE_PATH=`pwd`/src-min-tmp expresso -s tests/*
+	@NODE_PATH=`pwd`/src-min-tmp ./node_modules/.bin/expresso -s tests/*
+	@NODE_PATH=`pwd`/src-min-tmp ./node_modules/.bin/expresso -s tests/*.test_special.coffee
 
 testall: test testmin
 
@@ -32,7 +34,7 @@ coverage:
 	rm -f src-tmp/bankersbox.js
 	ln -s ../bankersbox.js src-tmp/bankersbox.js
 	rm -rf src-cov
-	node-jscoverage src-tmp src-cov
-	NODE_PATH=`pwd`/src-cov expresso -s tests/*
+	./node_modules/.bin/node-jscoverage src-tmp src-cov
+	NODE_PATH=`pwd`/src-cov ./node_modules/.bin/expresso -s tests/*.test.coffee
 
 .PHONY: all clean min test testmin testall coverage
\ No newline at end of file
diff --git a/bankersbox.js b/bankersbox.js
index d3323b5..d29292c 100644
--- a/bankersbox.js
+++ b/bankersbox.js
@@ -31,6 +31,14 @@
     window = {};
   }
 
+  try {
+    // when cookies are disabled accessing `window.localStorage` throws ERR 18
+    window.localStorage;
+  }
+  catch (e) {
+    return;
+  }
+
   if (typeof(window.localStorage) === 'undefined' && ctx !== window) {
     // fake out localStorage functionality, mostly for testing purposes
     window.localStorage = {};
diff --git a/tests/bb_cookies_disabled.test_special.coffee b/tests/bb_cookies_disabled.test_special.coffee
new file mode 100644
index 0000000..7b0d96f
--- /dev/null
+++ b/tests/bb_cookies_disabled.test_special.coffee
@@ -0,0 +1,8 @@
+GLOBAL.window = {}
+Object.defineProperty window, 'localStorage', get: -> throw 'ERR'
+
+assert = require "assert"
+{ BankersBox } = require "bankersbox"
+
+exports.testWithCookiesDisabled = ->
+  assert.equal BankersBox, undefined, "BankersBox is expected to be undefined"