diff --git a/risonia_theme/plugins/classes/plugin.py b/risonia_theme/plugins/classes/plugin.py
index 4ae187b..173bc48 100644
--- a/risonia_theme/plugins/classes/plugin.py
+++ b/risonia_theme/plugins/classes/plugin.py
@@ -56,6 +56,7 @@ def on_page_content(self, html, page, config, files):
         #send external links to new tab?
         if 'extblank' in config['theme']._vars and config['theme']._vars['extblank']:
             for link_tag in soup.find_all('a'):
+                href = link_tag['href']
                 if href.startswith('http://') or href.startswith('https://'):
                     if not 'target' in link_tag:
                         link_tag['target'] = '_blank'