diff --git a/apparmor.d/groups/browsers/firefox b/apparmor.d/groups/browsers/firefox
index 0cdc60b95..1af82d41d 100644
--- a/apparmor.d/groups/browsers/firefox
+++ b/apparmor.d/groups/browsers/firefox
@@ -174,6 +174,7 @@ profile firefox @{exec_path} flags=(attach_disconnected) {
   owner /tmp/user/@{uid}/@{name}/* rwk,
   owner /tmp/@{name}/ rw,
   owner /tmp/@{name}/* rwk,
+  owner /tmp/@{rand6}.tmp r,
   owner /tmp/firefox_*/ rw,
   owner /tmp/firefox_*/* rwk,
   owner /tmp/mozilla_*/ rw,