diff --git a/gallery_dl/job.py b/gallery_dl/job.py
index d75ce6af..5bb7e643 100644
--- a/gallery_dl/job.py
+++ b/gallery_dl/job.py
@@ -160,8 +160,7 @@ class DownloadJob(Job):
         # prepare download
         self.pathfmt.set_keywords(keywords)
 
-        if self.pathfmt.exists() or \
-                self.archive and self.archive.check(keywords):
+        if self.pathfmt.exists(self.archive):
             self.out.skip(self.pathfmt.path)
             return
 
@@ -172,7 +171,7 @@ class DownloadJob(Job):
         if not self.get_downloader(url).download(url, self.pathfmt):
 
             # use fallback URLs if available
-            for num, url in enumerate(fallback or [], 1):
+            for num, url in enumerate(fallback or (), 1):
                 self.log.info("Trying fallback URL #%d", num)
                 if self.get_downloader(url).download(url, self.pathfmt):
                     break
@@ -182,7 +181,7 @@ class DownloadJob(Job):
                     "Failed to download %s", self.pathfmt.filename)
                 return
 
-        # download successful
+        # download succeeded
         if self.archive:
             self.archive.add()
 
diff --git a/gallery_dl/util.py b/gallery_dl/util.py
index c72c9114..840a3359 100644
--- a/gallery_dl/util.py
+++ b/gallery_dl/util.py
@@ -362,22 +362,31 @@ class PathFormat():
         if os.altsep:
             self.basedirectory = self.basedirectory.replace(os.altsep, os.sep)
 
-        skipmode = extractor.config("skip", True)
-        if skipmode == "abort":
-            self.exists = self._exists_abort
-        elif skipmode == "exit":
-            self.exists = self._exists_exit
-        elif not skipmode:
-            self.exists = lambda: False
+        skip = extractor.config("skip", True)
+        if skip:
+            if skip == "abort":
+                self._skipexc = exception.StopExtraction
+            elif skip == "exit":
+                self._skipexc = exit
+            else:
+                self._skipexc = None
+        else:
+            self.exists = lambda x=None: False
 
     def open(self, mode="wb"):
         """Open file and return a corresponding file object"""
         return open(self.partpath or self.realpath, mode)
 
-    def exists(self):
-        """Return True if 'path' is complete and refers to an existing path"""
-        if self.has_extension:
-            return os.path.exists(self.realpath)
+    def exists(self, archive=None):
+        if (self.has_extension and os.path.exists(self.realpath) or
+                archive and archive.check(self.keywords)):
+            if self._skipexc:
+                raise self._skipexc()
+            if not self.has_extension:
+                self.set_extension("")
+                if self.path[-1] == ".":
+                    self.path = self.path[:-1]
+            return True
         return False
 
     def set_directory(self, keywords):
@@ -462,16 +471,6 @@ class PathFormat():
         shutil.copyfile(self.partpath, self.realpath)
         os.unlink(self.partpath)
 
-    def _exists_abort(self):
-        if self.has_extension and os.path.exists(self.realpath):
-            raise exception.StopExtraction()
-        return False
-
-    def _exists_exit(self):
-        if self.has_extension and os.path.exists(self.realpath):
-            exit()
-        return False
-
     @staticmethod
     def adjust_path(path):
         """Enable longer-than-260-character paths on windows"""