diff --git a/src/tests/servers/registrar/Jamfile b/src/tests/servers/registrar/Jamfile
index 9df60f29ff..1c72fe68b2 100644
--- a/src/tests/servers/registrar/Jamfile
+++ b/src/tests/servers/registrar/Jamfile
@@ -85,6 +85,7 @@ Server test_registrar
 	MessageRunnerManager.cpp
 	MessagingService.cpp
 	MIMEManager.cpp
+	PackageWatchingManager.cpp
 	PriorityMessageQueue.cpp
 	RecentApps.cpp
 	RecentEntries.cpp