diff --git a/pkg/alertmanager/legacyalertmanager/provider.go b/pkg/alertmanager/legacyalertmanager/provider.go
index b4e1453b31c5..33dbd54aff6a 100644
--- a/pkg/alertmanager/legacyalertmanager/provider.go
+++ b/pkg/alertmanager/legacyalertmanager/provider.go
@@ -81,6 +81,7 @@ func New(ctx context.Context, providerSettings factory.ProviderSettings, config
 		configStore: configStore,
 		batcher:     alertmanagerbatcher.New(settings.Logger(), alertmanagerbatcher.NewConfig()),
 		url:         config.Legacy.ApiURL,
+		orgGetter:   orgGetter,
 	}, nil
 }