diff --git a/core/Makefile b/core/Makefile
index c9307084b1..1c3e74dc80 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -214,6 +214,7 @@ endif
 			DATE="$(DATE_FROM_FILE)" \
 			BUILD_NUMBER="$(BUILD_NUMBER_FROM_FILE)" \
 			BOARD_BUILD_SYSTEM_ROOT_IMAGE="$(BOARD_BUILD_SYSTEM_ROOT_IMAGE)" \
+			AB_OTA_UPDATER="$(AB_OTA_UPDATER)" \
 			PLATFORM_VERSION="$(PLATFORM_VERSION)" \
 			PLATFORM_SECURITY_PATCH="$(PLATFORM_SECURITY_PATCH)" \
 			PLATFORM_BASE_OS="$(PLATFORM_BASE_OS)" \
diff --git a/tools/buildinfo.sh b/tools/buildinfo.sh
index ece510395a..dcb66bf2bb 100755
--- a/tools/buildinfo.sh
+++ b/tools/buildinfo.sh
@@ -23,6 +23,9 @@ echo "ro.build.flavor=$TARGET_BUILD_FLAVOR"
 if [ -n "$BOARD_BUILD_SYSTEM_ROOT_IMAGE" ] ; then
   echo "ro.build.system_root_image=$BOARD_BUILD_SYSTEM_ROOT_IMAGE"
 fi
+if [ -n "$AB_OTA_UPDATER" ] ; then
+  echo "ro.build.ab_update=$AB_OTA_UPDATER"
+fi
 echo "ro.product.model=$PRODUCT_MODEL"
 echo "ro.product.brand=$PRODUCT_BRAND"
 echo "ro.product.name=$PRODUCT_NAME"