diff --git a/.librewolf/librewolf.overrides.cfg b/.librewolf/librewolf.overrides.cfg
index 3e1f13c..387fa64 100644
--- a/.librewolf/librewolf.overrides.cfg
+++ b/.librewolf/librewolf.overrides.cfg
@@ -21,3 +21,8 @@ defaultPref("widget.use-xdg-desktop-portal.file-picker", 0);
 // Needs to be disabled to enable dark mode
 defaultPref("privacy.resistFingerprinting", false);
 // TODO: somehow enable dark mode declaratively
+
+// Disable HTTP only BS
+[
+    "first_add_exception_on_failiure", "only_mode", "first_pbm"
+].forEach(s => defaultPref(`dom.security.https_${s}`, false))