diff --git a/cats22flip.mk b/cats22flip.mk
index 9f87b09..d9b5b27 100644
--- a/cats22flip.mk
+++ b/cats22flip.mk
@@ -8,4 +8,4 @@ PRODUCT_MODEL := Cat S22 Flip | weOs | Nehemiah
 
 PRODUCT_SYSTEM_PROPERTIES += \
     ro.system.ota.json_url=https://git.mezimmah.net/treble/ota/raw/branch/main \
-    persist.sys.phh.mainkeys=0
\ No newline at end of file
+    persist.sys.phh.mainkeys=1
\ No newline at end of file