diff --git a/r2/r2/controllers/post.py b/r2/r2/controllers/post.py
index c244241f8..51f92385a 100644
--- a/r2/r2/controllers/post.py
+++ b/r2/r2/controllers/post.py
@@ -126,7 +126,7 @@ class PostController(ApiController):
             else:
                 ip_hash = sha.new(request.ip).hexdigest()
                 domain = g.domain if not c.frameless_cname else None
-                c.cookies.add('over18', value = ip_hash,
+                c.cookies.add('over18', ip_hash,
                               domain = domain)
             return self.redirect(dest)
         else:
diff --git a/r2/r2/controllers/reddit_base.py b/r2/r2/controllers/reddit_base.py
index 41d55da97..381cecaba 100644
--- a/r2/r2/controllers/reddit_base.py
+++ b/r2/r2/controllers/reddit_base.py
@@ -47,11 +47,11 @@ from r2.lib.tracking import encrypt, decrypt
 
 NEVER = 'Thu, 31 Dec 2037 23:59:59 GMT'
 
-cache_affecting_cookies = ('reddit_first',)
+cache_affecting_cookies = ('reddit_first','over18')
 
 class Cookies(dict):
-    def add(name, *k, **kw):
-        self[name] = Cookie(*k, **kw)
+    def add(self, name, value, *k, **kw):
+        self[name] = Cookie(value, *k, **kw)
 
 class Cookie(object):
     def __init__(self, value, expires = None, domain = None, dirty = True):