diff --git a/app/utils/meta.py b/app/utils/meta.py
index f46d0990a..2c52ebbe1 100644
--- a/app/utils/meta.py
+++ b/app/utils/meta.py
@@ -1,5 +1,4 @@
 from pathlib import Path
-from urllib.parse import unquote
 
 import aiohttp
 from aiocache import cached
@@ -7,7 +6,7 @@
 from sanic.request import Request
 
 from .. import settings
-from . import http
+from . import http, urls
 
 
 def version() -> str:
@@ -79,7 +78,7 @@ async def custom_watermarks_allowed(request: Request) -> bool:
     token = request.args.get("token")
     if token:
         logger.info(f"Authenticating with token: {token}")
-        _url, updated = await tokenize(request, request.url)
+        _url, updated = await tokenize(request, urls.clean(request.url))
         return not updated
 
     return False
@@ -121,7 +120,7 @@ async def track(request: Request, lines: list[str]):
         return
 
     async with aiohttp.ClientSession() as session:
-        params = dict(text=text, referer=referer, result=unquote(request.url))
+        params = dict(text=text, referer=referer, result=urls.clean(request.url))
         logger.info(f"Tracking request: {params}")
         headers = {"X-API-KEY": _get_api_key(request) or ""}
         status, message = await http.fetch(api, params=params, headers=headers)
diff --git a/app/utils/urls.py b/app/utils/urls.py
index f6f8a715b..dace8e9fd 100644
--- a/app/utils/urls.py
+++ b/app/utils/urls.py
@@ -69,4 +69,8 @@ def clean(url: str) -> str:
     while "/_." in url:
         url = url.replace("/_.", ".")
 
+    # TODO: Fix Sanic bug?
+    # https://github.com/jacebrowning/memegen/issues/799
+    url = url.replace("::", ":")
+
     return url
diff --git a/app/views/images.py b/app/views/images.py
index f664a5b68..4a36ea121 100644
--- a/app/views/images.py
+++ b/app/views/images.py
@@ -223,7 +223,7 @@ async def detail_text(request, template_id, text_filepath):
         )
         return response.redirect(utils.urls.clean(url), status=301)
 
-    url, updated = await utils.meta.tokenize(request, request.url)
+    url, updated = await utils.meta.tokenize(request, utils.urls.clean(request.url))
     if updated:
         return response.redirect(url, status=302)