diff --git a/app.go b/app.go
index 680ecc9a..947980d3 100644
--- a/app.go
+++ b/app.go
@@ -100,11 +100,6 @@ func (h *Headscale) redirect(w http.ResponseWriter, req *http.Request) {
 // ExpireEphemeralNodes deletes ephemeral machine records that have not been
 // seen for longer than h.cfg.EphemeralNodeInactivityTimeout
 func (h *Headscale) ExpireEphemeralNodes(milliSeconds int64) {
-	if milliSeconds == 0 {
-		// For testing
-		h.expireEphemeralNodesWorker()
-		return
-	}
 	ticker := time.NewTicker(time.Duration(milliSeconds) * time.Millisecond)
 	for range ticker.C {
 		h.expireEphemeralNodesWorker()
diff --git a/cli_test.go b/cli_test.go
new file mode 100644
index 00000000..d15e60fa
--- /dev/null
+++ b/cli_test.go
@@ -0,0 +1,36 @@
+package headscale
+
+import (
+	"gopkg.in/check.v1"
+)
+
+func (s *Suite) TestRegisterMachine(c *check.C) {
+	n, err := h.CreateNamespace("test")
+	c.Assert(err, check.IsNil)
+
+	db, err := h.db()
+	if err != nil {
+		c.Fatal(err)
+	}
+	defer db.Close()
+
+	m := Machine{
+		ID:          0,
+		MachineKey:  "8ce002a935f8c394e55e78fbbb410576575ff8ec5cfa2e627e4b807f1be15b0e",
+		NodeKey:     "bar",
+		DiscoKey:    "faa",
+		Name:        "testmachine",
+		NamespaceID: n.ID,
+	}
+	db.Save(&m)
+
+	_, err = h.GetMachine("test", "testmachine")
+	c.Assert(err, check.IsNil)
+
+	m2, err := h.RegisterMachine("8ce002a935f8c394e55e78fbbb410576575ff8ec5cfa2e627e4b807f1be15b0e", n.Name)
+	c.Assert(err, check.IsNil)
+	c.Assert(m2.Registered, check.Equals, true)
+
+	_, err = m2.GetHostInfo()
+	c.Assert(err, check.IsNil)
+}
diff --git a/cmd/headscale/cli/nodes.go b/cmd/headscale/cli/nodes.go
index fff292cc..e6f5876a 100644
--- a/cmd/headscale/cli/nodes.go
+++ b/cmd/headscale/cli/nodes.go
@@ -67,7 +67,11 @@ var ListNodesCmd = &cobra.Command{
 
 		fmt.Printf("name\t\tlast seen\t\tephemeral\n")
 		for _, m := range *machines {
-			fmt.Printf("%s\t%s\t%t\n", m.Name, m.LastSeen.Format("2006-01-02 15:04:05"), m.AuthKey.Ephemeral)
+			var ephemeral bool
+			if m.AuthKey != nil && m.AuthKey.Ephemeral {
+				ephemeral = true
+			}
+			fmt.Printf("%s\t%s\t%t\n", m.Name, m.LastSeen.Format("2006-01-02 15:04:05"), ephemeral)
 		}
 
 	},
diff --git a/preauth_keys_test.go b/preauth_keys_test.go
index e2569432..ebf7ea4e 100644
--- a/preauth_keys_test.go
+++ b/preauth_keys_test.go
@@ -172,7 +172,7 @@ func (*Suite) TestEphemeralKey(c *check.C) {
 	_, err = h.GetMachine("test7", "testest")
 	c.Assert(err, check.IsNil)
 
-	h.ExpireEphemeralNodes(0)
+	h.expireEphemeralNodesWorker()
 
 	// The machine record should have been deleted
 	_, err = h.GetMachine("test7", "testest")