diff --git a/gallery_dl/extractor/batoto.py b/gallery_dl/extractor/batoto.py
index 88ad06a9..ea5f1824 100644
--- a/gallery_dl/extractor/batoto.py
+++ b/gallery_dl/extractor/batoto.py
@@ -20,17 +20,18 @@ class BatotoExtractor():
     scheme = "https"
     root = "https://bato.to"
     cookienames = ("member_id", "pass_hash")
+    cookiedomain = ".bato.to"
 
     def login(self):
         """Login and set necessary cookies"""
-        if self._check_cookies(self.cookienames, ".bato.to"):
+        if self._check_cookies(self.cookienames):
             return
         username, password = self.auth_info()
         if username:
             cookies = self._login_impl(username, password)
             for key, value in cookies.items():
                 self.session.cookies.set(
-                    key, value, domain=".bato.to", path="/")
+                    key, value, domain=self.cookiedomain)
 
     @cache(maxage=7*24*60*60, keyarg=1)
     def _login_impl(self, username, password):
diff --git a/gallery_dl/extractor/common.py b/gallery_dl/extractor/common.py
index 4926dbf9..0fa40ef0 100644
--- a/gallery_dl/extractor/common.py
+++ b/gallery_dl/extractor/common.py
@@ -26,6 +26,7 @@ class Extractor():
     subcategory = ""
     directory_fmt = ["{category}"]
     filename_fmt = "{filename}"
+    cookiedomain = ""
 
     def __init__(self):
         self.session = requests.Session()
@@ -34,14 +35,16 @@ class Extractor():
         cookies = self.config("cookies")
         if cookies:
             if isinstance(cookies, dict):
-                cj = cookies
+                setcookie = self.session.cookies.set
+                for name, value in cookies.items():
+                    setcookie(name, value, domain=self.cookiedomain)
             else:
                 try:
                     cj = http.cookiejar.MozillaCookieJar()
                     cj.load(cookies)
+                    self.session.cookies.update(cj)
                 except OSError as exc:
                     self.log.warning("cookies: %s", exc)
-            self.session.cookies.update(cj)
 
     def __iter__(self):
         return self.items()
@@ -82,6 +85,8 @@ class Extractor():
 
     def _check_cookies(self, cookienames, domain=None):
         """Return True if all 'cookienames' exist in the current session"""
+        if not domain and self.cookiedomain:
+            domain = self.cookiedomain
         for name in cookienames:
             try:
                 self.session.cookies._find(name, domain)
diff --git a/gallery_dl/extractor/exhentai.py b/gallery_dl/extractor/exhentai.py
index 30df13e8..2acfa6c5 100644
--- a/gallery_dl/extractor/exhentai.py
+++ b/gallery_dl/extractor/exhentai.py
@@ -37,6 +37,7 @@ class ExhentaiGalleryExtractor(Extractor):
     ]
     root = "https://exhentai.org"
     cookienames = ("ipb_member_id", "ipb_pass_hash")
+    cookiedomain = ".exhentai.org"
 
     def __init__(self, match):
         Extractor.__init__(self)
@@ -177,7 +178,7 @@ class ExhentaiGalleryExtractor(Extractor):
 
     def login(self):
         """Login and set necessary cookies"""
-        if self._check_cookies(self.cookienames, ".exhentai.org"):
+        if self._check_cookies(self.cookienames):
             return
         username, password = self.auth_info()
         if not username:
@@ -188,7 +189,7 @@ class ExhentaiGalleryExtractor(Extractor):
         cookies = self._login_impl(username, password)
         for key, value in cookies.items():
             self.session.cookies.set(
-                key, value, domain=".exhentai.org", path="/")
+                key, value, domain=self.cookiedomain)
 
     @cache(maxage=90*24*60*60, keyarg=1)
     def _login_impl(self, username, password):
diff --git a/gallery_dl/extractor/nijie.py b/gallery_dl/extractor/nijie.py
index 7a59f0c0..b335e7fe 100644
--- a/gallery_dl/extractor/nijie.py
+++ b/gallery_dl/extractor/nijie.py
@@ -18,6 +18,7 @@ class NijieExtractor(AsynchronousExtractor):
     category = "nijie"
     directory_fmt = ["{category}", "{artist-id}"]
     filename_fmt = "{category}_{artist-id}_{image-id}_p{index:>02}.{extension}"
+    cookiedomain = "nijie.info"
     popup_url = "https://nijie.info/view_popup.php?id="
 
     def __init__(self):
@@ -62,7 +63,7 @@ class NijieExtractor(AsynchronousExtractor):
 
     def login(self):
         """Login and obtain session cookie"""
-        if self._check_cookies(("nemail", "nlogin"), "nijie.info"):
+        if self._check_cookies(("nemail", "nlogin")):
             return
         username, password = self.auth_info()
         self.session.cookies = self._login_impl(username, password)
diff --git a/gallery_dl/extractor/seiga.py b/gallery_dl/extractor/seiga.py
index adb65443..b005f16c 100644
--- a/gallery_dl/extractor/seiga.py
+++ b/gallery_dl/extractor/seiga.py
@@ -17,6 +17,7 @@ from xml.etree import ElementTree
 class SeigaExtractor(Extractor):
     """Base class for seiga extractors"""
     category = "seiga"
+    cookiedomain = ".nicovideo.jp"
 
     def items(self):
         self.login()
@@ -47,7 +48,7 @@ class SeigaExtractor(Extractor):
 
     def login(self):
         """Login and set necessary cookies"""
-        if self._check_cookies(("user_session",), ".nicovideo.jp"):
+        if self._check_cookies(("user_session",)):
             return
         username, password = self.auth_info()
         self.session.cookies = self._login_impl(username, password)