diff --git a/core/product.mk b/core/product.mk
index e5df5cd..1d13939 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -302,6 +302,9 @@
 # A flag to override PRODUCT_COMPATIBLE_PROPERTY
 _product_single_value_vars += PRODUCT_COMPATIBLE_PROPERTY_OVERRIDE
 
+# List of extra VNDK versions to be included
+_product_list_vars += PRODUCT_EXTRA_VNDK_VERSIONS
+
 # Whether the whitelist of actionable compatible properties should be disabled or not
 _product_single_value_vars += PRODUCT_ACTIONABLE_COMPATIBLE_PROPERTY_DISABLE