diff --git a/system/firefox.nix b/system/firefox.nix
index 14a28760..886c55ec 100644
--- a/system/firefox.nix
+++ b/system/firefox.nix
@@ -121,12 +121,12 @@
       };
       RequestedLocales = ["en-GB"];
       SanitizeOnShutdown = {
-        Cache = false;
+        Cache = true;
         Cookies = false;
         Downloads = true;
         FormData = true;
         History = true;
-        Sessions = true;
+        Sessions = false;
         SiteSettings = false;
         OfflineApps = false;
         Locked = true;