diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index 0e0e038..4040420 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -3,6 +3,9 @@ DEVICE_PATH := device/peter/gsi
 # Bluetooth
 BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := $(DEVICE_PATH)/bluetooth
 
+# Props
+TARGET_SYSTEM_PROP := $(DEVICE_PATH)/system.prop
+
 # Sepolicy
 SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS += $(DEVICE_PATH)/sepolicy/private
 SELINUX_IGNORE_NEVERALLOWS := true
diff --git a/system.prop b/system.prop
new file mode 100644
index 0000000..a3b722a
--- /dev/null
+++ b/system.prop
@@ -0,0 +1 @@
+ro.apex.updatable=false