diff --git a/v6d3music/core/audio.py b/v6d3music/core/audio.py
index a8b0c17..13404b3 100644
--- a/v6d3music/core/audio.py
+++ b/v6d3music/core/audio.py
@@ -113,7 +113,8 @@ class Audio(discord.AudioSource):
         if url in self._durations:
             return
         self._durations.setdefault(url, "")
-        args = []
+        internal = url.startswith("http://adaas:5000/cachedx/")
+        args = [] if internal else ["proxychains"]
         args += [
             "ffprobe",
             *("-i", url),
@@ -129,6 +130,8 @@ class Audio(discord.AudioSource):
             pass
         else:
             assert ap.stdout is not None
+            if not internal:
+                await ap.stdout.readline()
             self._durations[url] = (
                 (await ap.stdout.read()).decode().strip().split(".")[0]
             )