diff --git a/core/config.mk b/core/config.mk
index db4edcb..9054d52 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -784,6 +784,13 @@
 endif
 .KATI_READONLY := DEFAULT_SYSTEM_DEV_CERTIFICATE
 
+# Certificate for the NetworkStack sepolicy context
+ifdef PRODUCT_MAINLINE_SEPOLICY_DEV_CERTIFICATES
+  MAINLINE_SEPOLICY_DEV_CERTIFICATES := $(PRODUCT_MAINLINE_SEPOLICY_DEV_CERTIFICATES)
+else
+  MAINLINE_SEPOLICY_DEV_CERTIFICATES := $(dir $(DEFAULT_SYSTEM_DEV_CERTIFICATE))
+endif
+
 BUILD_NUMBER_FROM_FILE := $$(cat $(OUT_DIR)/build_number.txt)
 BUILD_DATETIME_FROM_FILE := $$(cat $(BUILD_DATETIME_FILE))
 
diff --git a/core/product-graph.mk b/core/product-graph.mk
index 9fc8e57..b97a69d 100644
--- a/core/product-graph.mk
+++ b/core/product-graph.mk
@@ -131,6 +131,7 @@
 	$(hide) echo 'PRODUCT_SDK_ADDON_DOC_MODULES=$$(PRODUCTS.$(strip $(1)).PRODUCT_SDK_ADDON_DOC_MODULES)' >> $$@
 	$(hide) echo 'PRODUCT_DEFAULT_WIFI_CHANNELS=$$(PRODUCTS.$(strip $(1)).PRODUCT_DEFAULT_WIFI_CHANNELS)' >> $$@
 	$(hide) echo 'PRODUCT_DEFAULT_DEV_CERTIFICATE=$$(PRODUCTS.$(strip $(1)).PRODUCT_DEFAULT_DEV_CERTIFICATE)' >> $$@
+	$(hide) echo 'PRODUCT_MAINLINE_SEPOLICY_DEV_CERTIFICATES=$$(PRODUCTS.$(strip $(1)).PRODUCT_MAINLINE_SEPOLICY_DEV_CERTIFICATES)' >> $$@
 	$(hide) echo 'PRODUCT_RESTRICT_VENDOR_FILES=$$(PRODUCTS.$(strip $(1)).PRODUCT_RESTRICT_VENDOR_FILES)' >> $$@
 	$(hide) echo 'PRODUCT_VENDOR_KERNEL_HEADERS=$$(PRODUCTS.$(strip $(1)).PRODUCT_VENDOR_KERNEL_HEADERS)' >> $$@
 
diff --git a/core/product.mk b/core/product.mk
index c54583d..b7ac105 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -205,6 +205,7 @@
 
 _product_list_vars += PRODUCT_DEFAULT_WIFI_CHANNELS
 _product_list_vars += PRODUCT_DEFAULT_DEV_CERTIFICATE
+_product_list_vars += PRODUCT_MAINLINE_SEPOLICY_DEV_CERTIFICATES
 _product_list_vars += PRODUCT_RESTRICT_VENDOR_FILES
 
 # The list of product-specific kernel header dirs