diff --git a/src/bootstrap.coffee b/src/bootstrap.coffee
index 1c136194f..3e138f6be 100644
--- a/src/bootstrap.coffee
+++ b/src/bootstrap.coffee
@@ -5,11 +5,17 @@ root = OSX.NSBundle.mainBundle.resourcePath
 code = OSX.NSString.stringWithContentsOfFile path = "#{root}/src/require.js"
 __jsc__.evalJSString_withScriptPath code, path
 
-console.log 'require tests:'
-console.log require.resolve 'underscore'
-console.log require.resolve 'osx'
-console.log require.resolve 'tabs/tabs'
-console.log require.resolve '~/.atomicity'
-console.log require.resolve 'ace/requirejs/text!ace/css/editor.css'
-console.log require.resolve 'ace/keyboard/keybinding'
-console.log '--------------'
+OSX.NSLog 'require tests:'
+OSX.NSLog require.resolve 'underscore'
+OSX.NSLog require.resolve 'osx'
+OSX.NSLog require.resolve 'tabs/tabs'
+
+[ fn, window.__filename ] = [ __filename, "#{root}/src/bootstrap.js" ]
+OSX.NSLog require.resolve './document'
+OSX.NSLog require.resolve '../README.md'
+window.__filename = fn
+
+OSX.NSLog require.resolve '~/.atomicity'
+OSX.NSLog require.resolve 'ace/requirejs/text!ace/css/editor.css'
+OSX.NSLog require.resolve 'ace/keyboard/keybinding'
+OSX.NSLog '--------------'
diff --git a/src/require.coffee b/src/require.coffee
index 08bf11e58..4626ae0b1 100644
--- a/src/require.coffee
+++ b/src/require.coffee
@@ -60,10 +60,12 @@ resolve = (file) ->
       .stringByExpandingTildeInPath.toString()
 
   if file[0..1] is './'
-    throw "require: ./ prefix not yet implemented"
+    prefix = __filename.split('/')[0..-2].join '/'
+    file = file.replace './', "#{prefix}/"
 
   if file[0..2] is '../'
-    throw "require: ../ prefix not yet implemented"
+    prefix = __filename.split('/')[0..-3].join '/'
+    file = file.replace '../', "#{prefix}/"
 
   if file[0] isnt '/'
     paths.some (path) ->