diff --git a/conf/librewolf.overrides.cfg b/conf/librewolf.overrides.cfg
index d0304179..909f98f0 100644
--- a/conf/librewolf.overrides.cfg
+++ b/conf/librewolf.overrides.cfg
@@ -32,10 +32,10 @@ pref("privacy.donottrackheader.value", 1);
 // (floaters), UTC makes Mobilizon difficult, Privacy Badger blocks 3rd party
 // canvas and I want to appear as a Finnish Linux user rather than English
 // Windows NT one (telemetry, voting vs spying).
-pref("privacy.resistFingerprinting", true);
+defaultPref("privacy.resistFingerprinting", true);
 // Or I could excempt things from it? Other than it not overriding timezone.
-pref("privacy.resistFingerprinting.testGranularityMask", 4);
-pref(
+defaultPref("privacy.resistFingerprinting.testGranularityMask", 4);
+defaultPref(
 	"privacy.resistFingerprinting.exemptedDomains",
 	"jarkkaa.fi,*.element.io,*.google.com,*.pikaviestin.fi,*.envs.net,*.wikimedia.org,*.wikipedia.org,*.duckduckgo.com,*.blesmrt.net,*.piraatit.fi,*.piraattipuolue.fi,*.apple.com,*.op.fi,*.s-pankki.fi,*.revolut.com,*.n26.com",
 );
@@ -44,7 +44,7 @@ pref(
 pref("privacy.resistFingerprinting.letterboxing", true);
 
 // Enable Firefox accounts
-pref("identity.fxaccounts.enabled", true);
+defaultPref("identity.fxaccounts.enabled", true);
 
 // Settings on what to clear on quit
 // - Goal: let Element Web & co stay logged in
@@ -63,7 +63,7 @@ pref("browser.sessionstore.resume_from_crash", false);
 pref("media.autoplay.blocking_policy", 2);
 
 // No corporate CA MITM
-pref("security.certerrors.mitm.auto_enable_enterprise_roots", false);
+deafultPref("security.certerrors.mitm.auto_enable_enterprise_roots", false);
 
 // Decrease animations
 pref("image.animation_mode", "once");
@@ -76,10 +76,10 @@ pref("reader.parse-on-load.force-enabled", true);
 
 // TRR & ECH
 // Mode 2 allows fallback to system resolver, 3 is TTR-only
-//pref("network.trr.mode", 2);
-pref("network.trr.mode", 3);
+//defaultPref("network.trr.mode", 2);
+defaultPref("network.trr.mode", 3);
 pref("network.trr.early-AAAA", true);
-pref("network.trr.uri", "https://dns0.eu");
+defaultPref("network.trr.uri", "https://dns0.eu");
 //pref("network.trr.uri", "https://dns.adguard-dns.com/dns-query");
 // NOTE: ECH requires TRR, so mode 2 may not use it.
 pref("network.trr.disable-ECS", false);
@@ -100,8 +100,8 @@ pref("browser.cache.disk.enable", true);
 pref("browser.cache.memory.enable", true);
 
 // Start from homepage, don't restore the previous session (excluding pinned tabs)'
-pref("browser.startup.page", 1);
+defaultPref("browser.startup.page", 1);
 // Simplified DDG experience without prompts for extension and all
-pref("browser.startup.homepage", "https://start.duckduckgo.com");
+defaultPref("browser.startup.homepage", "https://start.duckduckgo.com");
 
 // vim: filetype=javascript