diff --git a/SConstruct b/SConstruct
index 341622b..489f956 100644
--- a/SConstruct
+++ b/SConstruct
@@ -222,6 +222,7 @@
                    hardware.cc
                    http_common.cc
                    http_fetcher.cc
+                   hwid_override.cc
                    install_plan.cc
                    libcurl_http_fetcher.cc
                    metadata.cc
@@ -272,6 +273,7 @@
                             gpio_mock_udev_interface.cc
                             graph_utils_unittest.cc
                             http_fetcher_unittest.cc
+                            hwid_override_unittest.cc
                             metadata_unittest.cc
                             mock_http_fetcher.cc
                             mock_system_state.cc