diff --git a/spec/index.spec.js b/spec/index.spec.js
index 6284873..5dde53c 100644
--- a/spec/index.spec.js
+++ b/spec/index.spec.js
@@ -89,6 +89,16 @@ describe('access.js', function() {
       expect(result).toBe(true);
     });
 
+    it('test #2: is Allowed should return true for - in rights', () => {
+      const has = ['filebrowser.local.read'];
+
+      const needs = 'filebrowser.local.read.demo-test';
+
+      const result = uut.isAllowed(has, needs);
+
+      expect(result).toBe(true);
+    });
+
     it('test #3: work with multiple required rights and subrights', () => {
       const has = ['a.b'];
       const needs = ['a.a', 'a.b'];
diff --git a/src/index.js b/src/index.js
index cfcb1bc..0389cf1 100644
--- a/src/index.js
+++ b/src/index.js
@@ -33,7 +33,7 @@ function checkOr(has, requires) {
 
   has.forEach(function(right) {
     right = escapeRegExp(right);
-    var regExp = new RegExp('^' + right + '(\\.[a-zA-Z0-9_\\.]*)*$');
+    var regExp = new RegExp('^' + right + '(\\.[a-zA-Z0-9_\\-\\.]*)*$');
     requires.forEach(function(required) {
       found = found || regExp.test(required);
     });