diff --git a/librewolf/prefs.js b/librewolf/prefs.js
index c895613..f4677ec 100644
--- a/librewolf/prefs.js
+++ b/librewolf/prefs.js
@@ -1,4 +1,5 @@
 user_pref("dom.private-attribution.submission.enabled", false);
 user_pref("media.gmp-gmpopenh264.enabled", true);
 user_pref("widget.non-native-theme.scrollbar.size.override", 14);
-user_pref("widget.gtk.overlay-scrollbars.enabled", false);
\ No newline at end of file
+user_pref("widget.gtk.overlay-scrollbars.enabled", false);
+user_pref("privacy.sanitize.sanitizeOnShutdown", false);
\ No newline at end of file