diff --git a/worker/notmuch/eventhandlers.go b/worker/notmuch/eventhandlers.go
index e279dbc..976cbfd 100644
--- a/worker/notmuch/eventhandlers.go
+++ b/worker/notmuch/eventhandlers.go
@@ -1,3 +1,5 @@
+//+build notmuch
+
 package notmuch
 
 func (w *worker) handleNotmuchEvent(et eventType) error {
diff --git a/worker/notmuch/events.go b/worker/notmuch/events.go
index 896befa..2140d68 100644
--- a/worker/notmuch/events.go
+++ b/worker/notmuch/events.go
@@ -1,3 +1,5 @@
+//+build notmuch
+
 package notmuch
 
 type eventType interface{}