diff --git a/gallery_dl/extractor/mangadex.py b/gallery_dl/extractor/mangadex.py
index 1f245934..32283579 100644
--- a/gallery_dl/extractor/mangadex.py
+++ b/gallery_dl/extractor/mangadex.py
@@ -221,7 +221,7 @@ class MangadexAPI():
         return self._call("/list/" + uuid)["data"]
 
     def list_feed(self, uuid):
-        return self._pagination("/list/" + uuid + "/feed")
+        return self._pagination_chapters("/list/" + uuid + "/feed")
 
     @memcache(keyarg=1)
     def manga(self, uuid):
@@ -230,7 +230,7 @@ class MangadexAPI():
 
     def manga_author(self, uuid_author):
         params = {"authorOrArtist": uuid_author}
-        return self._pagination("/manga", params)
+        return self._pagination_manga("/manga", params)
 
     def manga_feed(self, uuid):
         order = "desc" if self.extractor.config("chapter-reverse") else "asc"
@@ -238,11 +238,11 @@ class MangadexAPI():
             "order[volume]" : order,
             "order[chapter]": order,
         }
-        return self._pagination("/manga/" + uuid + "/feed", params)
+        return self._pagination_chapters("/manga/" + uuid + "/feed", params)
 
     def user_follows_manga_feed(self):
         params = {"order[publishAt]": "desc"}
-        return self._pagination("/user/follows/manga/feed", params)
+        return self._pagination_chapters("/user/follows/manga/feed", params)
 
     def authenticate(self):
         self.headers["Authorization"] = \
@@ -289,22 +289,31 @@ class MangadexAPI():
             raise exception.StopExtraction(
                 "%s %s (%s)", response.status_code, response.reason, msg)
 
-    def _pagination(self, endpoint, params=None):
+    def _pagination_chapters(self, endpoint, params=None):
         if params is None:
             params = {}
 
+        lang = self.extractor.config("lang")
+        if isinstance(lang, str) and "," in lang:
+            lang = lang.split(",")
+        params["translatedLanguage[]"] = lang
+        params["includes[]"] = ("scanlation_group",)
+
+        return self._pagination(endpoint, params)
+
+    def _pagination_manga(self, endpoint, params=None):
+        if params is None:
+            params = {}
+
+        return self._pagination(endpoint, params)
+
+    def _pagination(self, endpoint, params):
         config = self.extractor.config
+
         ratings = config("ratings")
         if ratings is None:
             ratings = ("safe", "suggestive", "erotica", "pornographic")
-
-        lang = config("lang")
-        if isinstance(lang, str) and "," in lang:
-            lang = lang.split(",")
-
         params["contentRating[]"] = ratings
-        params["translatedLanguage[]"] = lang
-        params["includes[]"] = ("scanlation_group",)
         params["offset"] = 0
 
         api_params = config("api-parameters")
diff --git a/gallery_dl/version.py b/gallery_dl/version.py
index 6c2a32ef..f85f2219 100644
--- a/gallery_dl/version.py
+++ b/gallery_dl/version.py
@@ -6,5 +6,5 @@
 # it under the terms of the GNU General Public License version 2 as
 # published by the Free Software Foundation.
 
-__version__ = "1.27.7"
+__version__ = "1.28.0-dev"
 __variant__ = None
diff --git a/test/results/mangadex.py b/test/results/mangadex.py
index b8ebe333..817b0941 100644
--- a/test/results/mangadex.py
+++ b/test/results/mangadex.py
@@ -81,8 +81,8 @@ __tests__ = (
     "#count"   : 2,
 
     "manga"   : "Souten no Koumori",
-    "lang"    : r"re:fr|it",
-    "language": r"re:French|Italian",
+    "lang"    : {"fr", "it"},
+    "language": {"French", "Italian"},
 },
 
 {
@@ -134,8 +134,8 @@ __tests__ = (
     "#category": ("", "mangadex", "list-feed"),
     "#class"   : mangadex.MangadexListExtractor,
     "#urls"    : (
-        "https://mangadex.org/chapter/c765d6d5-5712-4360-be0b-0c8e0914fc94",
         "https://mangadex.org/chapter/fa8a695d-260f-4dcc-95a3-1f30e66d6571",
+        "https://mangadex.org/chapter/c765d6d5-5712-4360-be0b-0c8e0914fc94",
         "https://mangadex.org/chapter/788766b9-41c6-422e-97ba-552f03ba9655",
     ),
 },
@@ -157,6 +157,7 @@ __tests__ = (
     "#url"     : "https://mangadex.org/author/254efca2-0ac0-432c-a3a3-55b7e207e87d/flipflops",
     "#class"   : mangadex.MangadexAuthorExtractor,
     "#pattern" : mangadex.MangadexMangaExtractor.pattern,
+    "#options" : {"lang": "en"},
     "#count"   : ">= 15",
 },