diff --git a/target/product/runtime_libart.mk b/target/product/runtime_libart.mk
index d9c3c9a..dc78368 100644
--- a/target/product/runtime_libart.mk
+++ b/target/product/runtime_libart.mk
@@ -176,4 +176,5 @@
     dalvik.vm.usap_pool_refill_delay_ms?=3000
 
 PRODUCT_SYSTEM_PROPERTIES += \
-    dalvik.vm.useartservice=true
+    dalvik.vm.useartservice=true \
+    dalvik.vm.enable_pr_dexopt=true