diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
index ce2393978f77f55f42ae9b97e5d40328ce8eaae4..a426679de76c2d172974ec87f5fe48e22d5ab7b0 100644
--- a/modules/libpref/init/StaticPrefList.yaml
+++ b/modules/libpref/init/StaticPrefList.yaml
@@ -18060,7 +18060,7 @@
 # Whether we use the mica backdrop. Off by default for now.
 - name: widget.windows.mica
   type: bool
-  value: false
+  value: true
   mirror: once
 #endif
 
@@ -18173,6 +18173,19 @@
   mirror: always
 #endif
 
+# Dummy pref to always generate StaticPrefs_zen.h in every OS
+- name: zen.browser.is-cool
+  type: bool
+  value: true
+  mirror: never
+
+#ifdef XP_WIN
+- name: zen.widget.windows.acrylic
+  type: bool
+  value: true
+  mirror: once
+#endif
+
 #---------------------------------------------------------------------------
 # Prefs starting with "zoom."
 #---------------------------------------------------------------------------