diff --git a/app.py b/app.py
index 9ed4622..25c2d56 100644
--- a/app.py
+++ b/app.py
@@ -236,8 +236,9 @@ def microblogpub_jsonld():
     )
 
 
-@app.route("/p/<path:url>")
-def proxy(url: str) -> Any:
+@app.route("/p/<scheme>/<path:url>")
+def proxy(scheme: str, url: str) -> Any:
+    url = f"{scheme}://{url}"
     req_headers = {
         k: v
         for k, v in dict(request.headers).items()
diff --git a/utils/template_filters.py b/utils/template_filters.py
index 7c61d49..72d2c71 100644
--- a/utils/template_filters.py
+++ b/utils/template_filters.py
@@ -248,11 +248,11 @@ def _get_file_url(url, size, kind) -> str:
         _FILE_URL_CACHE[k] = out
         return out
 
-    # MEDIA_CACHE.cache(url, kind)
     _logger.error(f"cache not available for {url}/{size}/{kind}")
     if url.startswith(BASE_URL):
         return url
-    return f"/p/{url}"
+    p = urlparse(url)
+    return f"/p/{p.scheme}" + p._replace(scheme="").geturl()[1:]
 
 
 @filters.app_template_filter()