diff --git a/webviz_config/containers/_markdown.py b/webviz_config/containers/_markdown.py
index 865e59ff..e690aa2b 100644
--- a/webviz_config/containers/_markdown.py
+++ b/webviz_config/containers/_markdown.py
@@ -17,8 +17,11 @@ def __init__(self, base_path):
         super(_WebvizMarkdownExtension, self).__init__()
 
     def extendMarkdown(self, md):
-        md.inlinePatterns['image_link'] = \
-            _MarkdownImageProcessor(IMAGE_LINK_RE, md, self.base_path)
+        md.inlinePatterns.register(
+            item=_MarkdownImageProcessor(IMAGE_LINK_RE, md, self.base_path),
+            name='image_link',
+            priority=50
+        )
 
 
 class _MarkdownImageProcessor(ImageInlineProcessor):