diff --git a/gallery_dl/extractor/hotleak.py b/gallery_dl/extractor/hotleak.py
index 27bd3e30..d12c4125 100644
--- a/gallery_dl/extractor/hotleak.py
+++ b/gallery_dl/extractor/hotleak.py
@@ -50,6 +50,12 @@ class HotleakExtractor(Extractor):
             params["page"] += 1
 
 
+def decode_video_url(encoded_url):
+    sliced_url = encoded_url[16:-16]
+    reversed_url = sliced_url[::-1]
+    return base64.b64decode(reversed_url).decode('utf-8')
+
+
 class HotleakPostExtractor(HotleakExtractor):
     """Extractor for individual posts on hotleak"""
     subcategory = "post"
@@ -84,11 +90,6 @@ class HotleakPostExtractor(HotleakExtractor):
         HotleakExtractor.__init__(self, match)
         self.creator, self.type, self.id = match.groups()
 
-    def decode_video_url(self, encoded_url):
-        sliced_url = encoded_url[16:-16]
-        reversed_url = sliced_url[::-1]
-        return base64.b64decode(reversed_url).decode('utf-8')
-
     def posts(self):
         url = "{}/{}/{}/{}".format(
             self.root, self.creator, self.type, self.id)
@@ -106,7 +107,7 @@ class HotleakPostExtractor(HotleakExtractor):
             text.nameext_from_url(data["url"], data)
 
         elif self.type == "video":
-            data["url"] = "ytdl:" + self.decode_video_url(text.extr(
+            data["url"] = "ytdl:" + decode_video_url(text.extr(
                 text.unescape(page), '"src":"', '"'))
             text.nameext_from_url(data["url"], data)
             data["extension"] = "mp4"
@@ -139,11 +140,6 @@ class HotleakCreatorExtractor(HotleakExtractor):
         url = "{}/{}".format(self.root, self.creator)
         return self._pagination(url)
 
-    def decode_video_url(self, encoded_url):
-        sliced_url = encoded_url[16:-16]
-        reversed_url = sliced_url[::-1]
-        return base64.b64decode(reversed_url).decode('utf-8')
-
     def _pagination(self, url):
         headers = {"X-Requested-With": "XMLHttpRequest"}
         params = {"page": 1}
@@ -174,7 +170,7 @@ class HotleakCreatorExtractor(HotleakExtractor):
 
                 elif post["type"] == 1:
                     data["type"] = "video"
-                    data["url"] = "ytdl:" + self.decode_video_url(
+                    data["url"] = "ytdl:" + decode_video_url(
                         post["stream_url_play"])
                     text.nameext_from_url(data["url"], data)
                     data["extension"] = "mp4"