diff --git a/core/product.mk b/core/product.mk
index 364f0d8..b497abb 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -216,6 +216,12 @@
 
 # A list of module names of BOOTCLASSPATH (jar files)
 _product_list_vars += PRODUCT_BOOT_JARS
+
+# A list of extra BOOTCLASSPATH jars (to be appended after common jars).
+# Products that include device-specific makefiles before AOSP makefiles should use this
+# instead of PRODUCT_BOOT_JARS, so that device-specific jars go after common jars.
+_product_list_vars += PRODUCT_BOOT_JARS_EXTRA
+
 _product_list_vars += PRODUCT_SUPPORTS_BOOT_SIGNER
 _product_list_vars += PRODUCT_SUPPORTS_VBOOT
 _product_list_vars += PRODUCT_SUPPORTS_VERITY
diff --git a/core/product_config.mk b/core/product_config.mk
index c4361d0..aabd472 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -228,6 +228,9 @@
 PRODUCT_AAPT_CONFIG_SP := $(PRODUCT_AAPT_CONFIG)
 PRODUCT_AAPT_CONFIG := $(subst $(space),$(comma),$(PRODUCT_AAPT_CONFIG))
 
+# Extra boot jars must be appended at the end after common boot jars.
+PRODUCT_BOOT_JARS += $(PRODUCT_BOOT_JARS_EXTRA)
+
 ifndef PRODUCT_SYSTEM_NAME
   PRODUCT_SYSTEM_NAME := $(PRODUCT_NAME)
 endif