diff --git a/infoq_downloader.py b/infoq_downloader.py
index c8f3bbb..709f642 100644
--- a/infoq_downloader.py
+++ b/infoq_downloader.py
@@ -8,7 +8,7 @@
 import requests
 import cssselect
 import lxml.html
-import unicodedata
+from slugify import slugify
 
 if sys.version_info.major == 3:
     text_type = str
@@ -68,7 +68,7 @@
 
 # presentation folder path
 if isinstance(title, text_type):
-    normalized_title = unicodedata.normalize('NFKD', title)
+    normalized_title = slugify(title)
 else:
     normalized_title = text_type(title)
 presentation_directory = os.path.join(download_directory, normalized_title)
@@ -119,7 +119,7 @@
 else:
     bytes_downloaded = 0
 
-r = requests.get(video_url, stream=True,
+r = requests.get('http:%s' % video_url, stream=True,
                  headers={'Range': 'bytes={0}-'.format(bytes_downloaded)})
 content_length = int(r.headers['content-length']) + bytes_downloaded
 
diff --git a/requirements.txt b/requirements.txt
index 5cdb6d9..1f8d1e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 requests
 lxml
-cssselect
\ No newline at end of file
+cssselect
+python-slugify
\ No newline at end of file