diff --git a/daemon.py b/daemon.py
index c9895f0eb..acacac5db 100644
--- a/daemon.py
+++ b/daemon.py
@@ -570,7 +570,7 @@ class PubServer(BaseHTTPRequestHandler):
     def _set_headers(self, fileFormat: str, length: int, cookie: str,
                      callingDomain: str) -> None:
         self._set_headers_base(fileFormat, length, cookie, callingDomain)
-        self.send_header('Cache-Control', 'public, max-age=0')
+        self.send_header('Cache-Control', 'public, max-age=86400')
         self.end_headers()
 
     def _set_headers_head(self, fileFormat: str, length: int, etag: str,