diff --git a/integration/tailscale.go b/integration/tailscale.go
index 6b51193a..c560c4fd 100644
--- a/integration/tailscale.go
+++ b/integration/tailscale.go
@@ -20,4 +20,5 @@ type TailscaleClient interface {
 	WaitForReady() error
 	WaitForPeers(expected int) error
 	Ping(hostnameOrIP string) error
+	ID() string
 }
diff --git a/integration/tsic/tsic.go b/integration/tsic/tsic.go
index d79f7ba6..5e576658 100644
--- a/integration/tsic/tsic.go
+++ b/integration/tsic/tsic.go
@@ -176,6 +176,10 @@ func (t *TailscaleInContainer) Version() string {
 	return t.version
 }
 
+func (t *TailscaleInContainer) ID() string {
+	return t.container.Container.ID
+}
+
 func (t *TailscaleInContainer) Execute(
 	command []string,
 ) (string, string, error) {