diff --git a/apparmor.d/profiles-s-z/thunderbird b/apparmor.d/profiles-s-z/thunderbird
index f4fb49f8..997b81fb 100644
--- a/apparmor.d/profiles-s-z/thunderbird
+++ b/apparmor.d/profiles-s-z/thunderbird
@@ -52,7 +52,8 @@ profile thunderbird @{exec_path} {
 
   owner @{tmp}/MozillaMailnews/ rw,
   owner @{tmp}/MozillaMailnews/*.msf rw,
-  owner @{tmp}/nsemail.eml rw,
+  owner @{tmp}/nscopy.tmp rw,
+  owner @{tmp}/nsemail{,-@{int}}.eml rw,
   owner @{tmp}/nsma rw,
   owner @{tmp}/pid-@{pid}/{,**} w,