diff --git a/SConstruct b/SConstruct
index 2fb23bc..7730995 100644
--- a/SConstruct
+++ b/SConstruct
@@ -237,6 +237,7 @@
                    p2p_manager.cc
                    payload_signer.cc
                    payload_state.cc
+                   policy_manager/boxed_value.cc
                    policy_manager/chromeos_policy.cc
                    policy_manager/evaluation_context.cc
                    policy_manager/event_loop.cc