diff --git a/coursera-dl b/coursera-dl
deleted file mode 120000
index 82edbf9..0000000
--- a/coursera-dl
+++ /dev/null
@@ -1 +0,0 @@
-coursera/coursera_dl.py
\ No newline at end of file
diff --git a/coursera-dl b/coursera-dl
new file mode 100755
index 0000000..88a1e6c
--- /dev/null
+++ b/coursera-dl
@@ -0,0 +1,6 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from coursera import coursera_dl
+
+coursera_dl.main()
diff --git a/coursera/cookies.py b/coursera/cookies.py
index 3586c62..aee1f64 100644
--- a/coursera/cookies.py
+++ b/coursera/cookies.py
@@ -11,8 +11,8 @@ import StringIO
 
 import requests
 
-from define import AUTH_URL, CLASS_URL, AUTH_REDIRECT_URL, PATH_COOKIES
-from utils import mkdir_p
+from .define import AUTH_URL, CLASS_URL, AUTH_REDIRECT_URL, PATH_COOKIES
+from .utils import mkdir_p
 
 
 # Monkey patch cookielib.Cookie.__init__.
diff --git a/coursera/coursera_dl.py b/coursera/coursera_dl.py
index 55534bb..5f47051 100755
--- a/coursera/coursera_dl.py
+++ b/coursera/coursera_dl.py
@@ -63,13 +63,13 @@ except ImportError:
         BeautifulSoup = lambda page: BeautifulSoup_(page, 'html.parser')
 
 
-from cookies import (
+from .cookies import (
     AuthenticationFailed, ClassNotFound,
     get_cookies_for_class, make_cookie_values)
-from credentials import get_credentials, CredentialsError
-from define import CLASS_URL, ABOUT_URL
-from downloaders import get_downloader
-from utils import clean_filename, get_anchor_format, mkdir_p, fix_url
+from .credentials import get_credentials, CredentialsError
+from .define import CLASS_URL, ABOUT_URL
+from .downloaders import get_downloader
+from .utils import clean_filename, get_anchor_format, mkdir_p, fix_url
 
 
 def get_syllabus_url(class_name, preview):