diff --git a/cmd/create-account/main.go b/cmd/create-account/main.go
index bd053f2f7..a9357f6db 100644
--- a/cmd/create-account/main.go
+++ b/cmd/create-account/main.go
@@ -66,10 +66,11 @@ var (
 	resetPassword      = flag.Bool("reset-password", false, "Deprecated")
 	serverURL          = flag.String("url", "https://localhost:8448", "The URL to connect to.")
 	validUsernameRegex = regexp.MustCompile(`^[0-9a-z_\-=./]+$`)
+	timeout            = flag.Duration("timeout", time.Second*30, "Timeout for the http client when connecting to the server")
 )
 
 var cl = http.Client{
-	Timeout:   time.Second * 10,
+	Timeout:   time.Second * 30,
 	Transport: http.DefaultTransport,
 }
 
@@ -108,6 +109,8 @@ func main() {
 		logrus.Fatalln(err)
 	}
 
+	cl.Timeout = *timeout
+
 	accessToken, err := sharedSecretRegister(cfg.ClientAPI.RegistrationSharedSecret, *serverURL, *username, pass, *isAdmin)
 	if err != nil {
 		logrus.Fatalln("Failed to create the account:", err.Error())
@@ -124,8 +127,8 @@ type sharedSecretRegistrationRequest struct {
 	Admin    bool   `json:"admin"`
 }
 
-func sharedSecretRegister(sharedSecret, serverURL, localpart, password string, admin bool) (accesToken string, err error) {
-	registerURL := fmt.Sprintf("%s/_synapse/admin/v1/register", serverURL)
+func sharedSecretRegister(sharedSecret, serverURL, localpart, password string, admin bool) (accessToken string, err error) {
+	registerURL := fmt.Sprintf("%s/_synapse/admin/v1/register", strings.Trim(serverURL, "/"))
 	nonceReq, err := http.NewRequest(http.MethodGet, registerURL, nil)
 	if err != nil {
 		return "", fmt.Errorf("unable to create http request: %w", err)