diff --git a/ox/cache.py b/ox/cache.py
index 7431fd3..677568c 100644
--- a/ox/cache.py
+++ b/ox/cache.py
@@ -112,7 +112,7 @@ def save_url(url, filename, overwrite=False):
         dirname = os.path.dirname(filename)
         if not os.path.exists(dirname):
             os.makedirs(dirname)
-        data = readUrl(url)
+        data = read_url(url)
         f = open(filename, 'w')
         f.write(data)
         f.close()
diff --git a/ox/net.py b/ox/net.py
index 940350f..51b5318 100644
--- a/ox/net.py
+++ b/ox/net.py
@@ -87,7 +87,7 @@ def save_url(url, filename, overwrite=False):
         dirname = os.path.dirname(filename)
         if not os.path.exists(dirname):
             os.makedirs(dirname)
-        data = readUrl(url)
+        data = read_url(url)
         f = open(filename, 'w')
         f.write(data)
         f.close()
diff --git a/ox/oembed.py b/ox/oembed.py
index be0eba0..5bdcbd9 100644
--- a/ox/oembed.py
+++ b/ox/oembed.py
@@ -9,7 +9,7 @@ def get_embed_code(url, maxwidth=None, maxheight=None):
     embed = {}
     header = cache.get_headers(url)
     if header.get('content-type', '').startswith('text/html'):
-        html = cache.readUrl(url)
+        html = cache.read_url(url)
         json_oembed = filter(lambda l: 'json+oembed' in l, re.compile('<link.*?>').findall(html))
         xml_oembed = filter(lambda l: 'xml+oembed' in l, re.compile('<link.*?>').findall(html))
         if json_oembed:
@@ -18,14 +18,14 @@ def get_embed_code(url, maxwidth=None, maxheight=None):
                 oembed_url += '&maxwidth=%d' % maxwidth
             if maxheight:
                 oembed_url += '&maxheight=%d' % maxheight
-            embed = json.loads(cache.readUrl(oembed_url))
+            embed = json.loads(cache.read_url(oembed_url))
         elif xml_oembed:
             oembed_url = find_re(json_oembed[0], 'href="(.*?)"')
             if maxwidth:
                 oembed_url += '&maxwidth=%d' % maxwidth
             if maxheight:
                 oembed_url += '&maxheight=%d' % maxheight
-            data = cache.readUrl(oembed_url)
+            data = cache.read_url(oembed_url)
             for e in ET.fromstring(data):
                 embed[e.tag] = e.text
     return embed