diff --git a/gallery_dl/extractor/common.py b/gallery_dl/extractor/common.py
index 5e877005..cfdac3ed 100644
--- a/gallery_dl/extractor/common.py
+++ b/gallery_dl/extractor/common.py
@@ -72,6 +72,10 @@ class Extractor():
         return config.interpolate(
             ("extractor", self.category, self.subcategory), key, default)
 
+    def config_accumulate(self, key):
+        return config.accumulate(
+            ("extractor", self.category, self.subcategory), key)
+
     def request(self, url, *, method="GET", session=None, retries=None,
                 encoding=None, fatal=True, notfound=None, **kwargs):
         tries = 1
diff --git a/gallery_dl/job.py b/gallery_dl/job.py
index 8d1849ca..7d08b86d 100644
--- a/gallery_dl/job.py
+++ b/gallery_dl/job.py
@@ -417,7 +417,7 @@ class DownloadJob(Job):
             else:
                 self.extractor.log.debug("Using download archive '%s'", path)
 
-        postprocessors = config("postprocessors")
+        postprocessors = self.extractor.config_accumulate("postprocessors")
         if postprocessors:
             pp_log = self.get_logger("postprocessor")
             pp_list = []