diff --git a/device.mk b/device.mk
index 8bd89fa..a9db632 100644
--- a/device.mk
+++ b/device.mk
@@ -47,4 +47,8 @@ PRODUCT_SOONG_NAMESPACES += \
 
 # WiFi
 PRODUCT_PACKAGES += \
-    TargetWifiOverlay
\ No newline at end of file
+    TargetWifiOverlay
+
+# Set dexopt downgrade threshold or dexopt will fail
+PRODUCT_SYSTEM_PROPERTIES += \
+    pm.dexopt.downgrade_after_inactive_days=5
\ No newline at end of file