diff --git a/pagure/default_config.py b/pagure/default_config.py
index 1936b5e..d55d53f 100644
--- a/pagure/default_config.py
+++ b/pagure/default_config.py
@@ -119,10 +119,6 @@ SESSION_COOKIE_NAME = 'pagure'
 # Default: ``pagure``.
 #SESSION_COOKIE_PATH = 'pagure'
 
-# If not specified the application will rely on the root_url when sending
-# emails, otherwise it will use this URL
-# Default: ``None``.
-APPLICATION_URL = None
 
 # Boolean specifying wether to check the user's IP address when retrieving
 # its session. This make things more secure (thus is on by default) but
diff --git a/pagure/lib/notify.py b/pagure/lib/notify.py
index bd359b8..82d7af7 100644
--- a/pagure/lib/notify.py
+++ b/pagure/lib/notify.py
@@ -430,7 +430,7 @@ def notify_new_email(email, user):
     ''' Ask the user to confirm to the email belong to them.
     '''
 
-    root_url = pagure.APP.config.get('APPLICATION_URL', flask.request.url_root)
+    root_url = pagure.APP.config.get('APP_URL', flask.request.url_root)
 
     url = urlparse.urljoin(
         root_url or flask.request.url_root,
diff --git a/pagure/ui/login.py b/pagure/ui/login.py
index 4c1aaa1..9ab6461 100644
--- a/pagure/ui/login.py
+++ b/pagure/ui/login.py
@@ -402,7 +402,7 @@ def send_confirmation_email(user):
     if not user.emails:
         return
 
-    url = APP.config.get('APPLICATION_URL', flask.request.url_root)
+    url = APP.config.get('APP_URL', flask.request.url_root)
 
     url = urlparse.urljoin(
         url or flask.request.url_root,
@@ -441,7 +441,7 @@ def send_lostpassword_email(user):
     if not user.emails:
         return
 
-    url = APP.config.get('APPLICATION_URL', flask.request.url_root)
+    url = APP.config.get('APP_URL', flask.request.url_root)
 
     url = urlparse.urljoin(
         url or flask.request.url_root,