diff --git a/modules/mesh-mail/cmd/mesh-mail/manifest_test.go b/modules/mesh-mail/cmd/mesh-mail/manifest_test.go
index 5f0a2c9a..3ccfc83c 100644
--- a/modules/mesh-mail/cmd/mesh-mail/manifest_test.go
+++ b/modules/mesh-mail/cmd/mesh-mail/manifest_test.go
@@ -18,7 +18,7 @@ type seat struct {
 	Name   string   `json:"name"`
 	Scope  string   `json:"scope"`
 	Serves []string `json:"serves"`
-	Needs  string   `json:"needs"`
+	Needs  []string `json:"needs"`
 }
 
 type manifest struct {
@@ -115,7 +115,7 @@ func TestTheManifestSaysWhatTheCodeDoes(t *testing.T) {
 	wantSeats := []seat{
 		{Name: "mail-store", Scope: "mesh", Serves: []string{"accounts", "search", "read", "send"}},
 		{Name: "mail-webclient", Scope: "mesh", Serves: []string{"open", "status"}},
-		{Name: "mail-notifier", Scope: "node", Serves: []string{"status"}, Needs: "node-notifier"},
+		{Name: "mail-notifier", Scope: "node", Serves: []string{"status"}, Needs: []string{"node-notifier"}},
 	}
 	if !reflect.DeepEqual(m.Seats, wantSeats) {
 		t.Fatalf("seats %+v, want %+v", m.Seats, wantSeats)
diff --git a/modules/mesh-mail/module.json b/modules/mesh-mail/module.json
index 3f3bb3f9..0cb00ea0 100644
--- a/modules/mesh-mail/module.json
+++ b/modules/mesh-mail/module.json
@@ -16,7 +16,7 @@
     {
       "name": "mail-notifier",
       "scope": "node",
-      "needs": "node-notifier",
+      "needs": ["node-notifier"],
       "serves": ["status"]
     }
   ],