diff --git a/core/main.mk b/core/main.mk
index 90c4cc408..009e90d37 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -320,6 +320,10 @@ endif
 
 ADDITIONAL_PRODUCT_PROPERTIES += ro.build.characteristics=$(TARGET_AAPT_CHARACTERISTICS)
 
+ifeq ($(AB_OTA_UPDATER),true)
+ADDITIONAL_PRODUCT_PROPERTIES += ro.product.ab_ota_partitions=$(subst $(space),$(comma),$(AB_OTA_PARTITIONS))
+endif
+
 # -----------------------------------------------------------------
 ###
 ### In this section we set up the things that are different