diff --git a/device.mk b/device.mk
index a6084a5..109c431 100644
--- a/device.mk
+++ b/device.mk
@@ -7,6 +7,9 @@
 # Soong namespaces
 PRODUCT_SOONG_NAMESPACES += $(LOCAL_PATH)
 
+# Enable DM file pre-opting to reduce first boot time
+PRODUCT_DEX_PREOPT_GENERATE_DM_FILES := true
+
 # Audio
 PRODUCT_PACKAGES += \
     android.hardware.audio@4.0.vendor \