diff --git a/mdx_oembed/extension.py b/mdx_oembed/extension.py
index 67d3d33..ae62c16 100644
--- a/mdx_oembed/extension.py
+++ b/mdx_oembed/extension.py
@@ -21,7 +21,7 @@ class OEmbedExtension(Extension):
         self.oembed_consumer = self.prepare_oembed_consumer()
         link_pattern = OEmbedLinkPattern(OEMBED_LINK_RE, md,
                                          self.oembed_consumer)
-        md.inlinePatterns.add('oembed_link', link_pattern, '<image_link')
+        md.inlinePatterns.register(link_pattern, 'oembed_link', 135)
 
     def prepare_oembed_consumer(self):
         allowed_endpoints = self.getConfig('allowed_endpoints', DEFAULT_ENDPOINTS)