diff --git a/core/product.mk b/core/product.mk
index 4250253..f0071db 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -456,6 +456,8 @@
 
 _product_list_vars += PRODUCT_BUILD_IGNORE_APEX_CONTRIBUTION_CONTENTS
 
+_product_single_value_vars += PRODUCT_HIDDEN_API_EXPORTABLE_STUBS
+
 .KATI_READONLY := _product_single_value_vars _product_list_vars
 _product_var_list :=$= $(_product_single_value_vars) $(_product_list_vars)
 
diff --git a/core/soong_config.mk b/core/soong_config.mk
index ec0c70e..e77defb 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -400,6 +400,8 @@
 
 $(call add_json_bool, BuildFromSourceStub, $(findstring true,$(PRODUCT_BUILD_FROM_SOURCE_STUB) $(BUILD_FROM_SOURCE_STUB)))
 
+$(call add_json_bool, HiddenapiExportableStubs, $(filter true,$(PRODUCT_HIDDEN_API_EXPORTABLE_STUBS)))
+
 $(call json_end)
 
 $(file >$(SOONG_VARIABLES).tmp,$(json_contents))