diff --git a/adapter/require.src.js b/adapter/require.src.js
index 96902bbe1..85e021a0c 100644
--- a/adapter/require.src.js
+++ b/adapter/require.src.js
@@ -2,8 +2,30 @@
 // to take advantage of testacular's heavy caching
 // it would work even without this hack, but with reloading all the files all the time
 
-var load_original = window.requirejs.load;
+var normalizePath = function(path) {
+  var normalized = [];
+  var parts = path.split('/');
+
+  for (var i = 0; i < parts.length; i++) {
+    if (parts[i] === '.') {
+      continue;
+    }
+
+    if (parts[i] === '..' && normalized.length && normalized[normalized.length - 1] !== '..') {
+      normalized.pop();
+      continue;
+    }
+
+    normalized.push(parts[i]);
+  }
+
+  return normalized.join('/');
+};
+
+var load_original = requirejs.load;
 requirejs.load = function (context, moduleName, url) {
+  url = normalizePath(url);
+
   if (__testacular__.files.hasOwnProperty(url)) {
     url = url + '?' + __testacular__.files[url];
   } else {
diff --git a/test/client/require.spec.js b/test/client/require.spec.js
new file mode 100644
index 000000000..1ccfe04e8
--- /dev/null
+++ b/test/client/require.spec.js
@@ -0,0 +1,14 @@
+describe('adapter requirejs', function() {
+
+  describe('normalizePath', function() {
+
+    it('should normalize . and .. in the path', function() {
+      expect(normalizePath('/base/a/../b/./../x.js')).toBe('/base/x.js');
+    });
+
+
+    it('should preserve .. in the beginning of the path', function() {
+      expect(normalizePath('../../a/file.js')).toBe('../../a/file.js');
+    });
+  });
+});
diff --git a/test/client/testacular.conf.js b/test/client/testacular.conf.js
index 4f544cb18..c0aebda86 100644
--- a/test/client/testacular.conf.js
+++ b/test/client/testacular.conf.js
@@ -22,7 +22,6 @@ files = [
 
 // list of files to exclude
 exclude = [
-  'adapter/require.src.js'
 ];
 
 // use dots reporter, as travis terminal does not support escaping sequences