diff --git a/PixivBrowserFactory.py b/PixivBrowserFactory.py
index c270c14e..1ecfdd7a 100644
--- a/PixivBrowserFactory.py
+++ b/PixivBrowserFactory.py
@@ -642,11 +642,12 @@ def getImagePage(self,
                      bookmark_count=-1,
                      image_response_count=-1,
                      manga_series_order=-1,
-                     manga_series_parent=None) -> Tuple[PixivImage, str]:
+                     manga_series_parent=None,
+                     is_unlisted=False) -> Tuple[PixivImage, str]:
         image = None
         response = None
         PixivHelper.get_logger().debug("Getting image page: %s", image_id)
-        if isinstance(image_id, int):
+        if not is_unlisted:
             # https://www.pixiv.net/en/artworks/76656661
             url = f"https://www.pixiv.net{self._locale}/artworks/{image_id}"
         else:
diff --git a/PixivImageHandler.py b/PixivImageHandler.py
index 53088831..aceb5e87 100644
--- a/PixivImageHandler.py
+++ b/PixivImageHandler.py
@@ -38,7 +38,8 @@ def process_image(caller,
                   reencoding=False,
                   manga_series_order=-1,
                   manga_series_parent=None,
-                  ui_prefix="") -> int:
+                  ui_prefix="",
+                  is_unlisted=False) -> int:
     # caller function/method
     # TODO: ideally to be removed or passed as argument
     db: PixivDBManager = caller.__dbManager__
@@ -54,9 +55,9 @@ def process_image(caller,
     parse_medium_page = None
     image = None
     result = None
-    if isinstance(image_id, int):
+    if not is_unlisted:
         # https://www.pixiv.net/en/artworks/76656661
-        url = f"https://www.pixiv.net/artworks/{image_id}"
+        referer = f"https://www.pixiv.net/artworks/{image_id}"
     else:
         # https://www.pixiv.net/artworks/unlisted/SbliQHtJS5MMu3elqDFZ
         referer = f"https://www.pixiv.net/artworks/unlisted/{image_id}"
@@ -88,7 +89,8 @@ def process_image(caller,
                                                                                        from_bookmark=bookmark,
                                                                                        bookmark_count=bookmark_count,
                                                                                        manga_series_order=manga_series_order,
-                                                                                       manga_series_parent=manga_series_parent)
+                                                                                       manga_series_parent=manga_series_parent,
+                                                                                       is_unlisted=is_unlisted)
             if len(title_prefix) > 0:
                 caller.set_console_title(f"{title_prefix} ImageId: {image.imageId}")
             else:
diff --git a/PixivUtil2.py b/PixivUtil2.py
index 95a03333..58724fb3 100644
--- a/PixivUtil2.py
+++ b/PixivUtil2.py
@@ -747,7 +747,8 @@ def menu_download_by_unlisted_image_id(opisvalid, args, options):
                                                 __config__,
                                                 artist=None,
                                                 image_id=image_id,
-                                                useblacklist=False)
+                                                useblacklist=False,
+                                                is_unlisted=True)
             except BaseException:
                 PixivHelper.print_and_log('error', f"Image ID: {image_id} is not valid")
                 global ERROR_CODE
@@ -761,7 +762,8 @@ def menu_download_by_unlisted_image_id(opisvalid, args, options):
                                             __config__,
                                             artist=None,
                                             image_id=image_id,
-                                            useblacklist=False)
+                                            useblacklist=False,
+                                            is_unlisted=True)
 
 
 def menu_ugoira_reencode(opisvalid, args, options):