diff --git a/target/product/mainline_system.mk b/target/product/mainline_system.mk
index 20bdc9f5bf..ccbc9072d3 100644
--- a/target/product/mainline_system.mk
+++ b/target/product/mainline_system.mk
@@ -128,6 +128,14 @@ PRODUCT_ENFORCE_RRO_TARGETS := *
 PRODUCT_NAME := mainline_system
 PRODUCT_BRAND := generic
 
+# Define /system partition-specific product properties to identify that /system
+# partition is mainline_system.
+PRODUCT_SYSTEM_NAME := mainline
+PRODUCT_SYSTEM_BRAND := Android
+PRODUCT_SYSTEM_MANUFACTURER := Android
+PRODUCT_SYSTEM_MODEL := mainline
+PRODUCT_SYSTEM_DEVICE := generic
+
 _base_mk_whitelist :=
 
 _my_whitelist := $(_base_mk_whitelist)