diff --git a/authenticator/authenticator.go b/authenticator/authenticator.go
index f28304a..5f95c03 100644
--- a/authenticator/authenticator.go
+++ b/authenticator/authenticator.go
@@ -205,7 +205,7 @@ func (a *Authenticator) getNonce() (string, error) {
 
 // getAuthRequest returns a rest.Request filled with a new AuthRequest
 func (a *Authenticator) getAuthRequest() (rest.Request, error) {
-	labelPostFix := time.Now().Unix()
+	labelPostFix := time.Now().UnixNano()
 
 	nonce, err := a.getNonce()
 	if err != nil {
diff --git a/authenticator/authenticator_test.go b/authenticator/authenticator_test.go
index be02c77..1a26abf 100644
--- a/authenticator/authenticator_test.go
+++ b/authenticator/authenticator_test.go
@@ -168,7 +168,7 @@ func TestAuthenticator_getAuthRequest(t *testing.T) {
 	stringBody := string(body)
 
 	assert.Contains(t, stringBody, `{"login":"test-user1",`)
-	assert.Contains(t, stringBody, fmt.Sprintf(`"label":"gotransip-client-%d"`, time.Now().Unix()))
+	assert.Contains(t, stringBody, "gotransip-client-")
 	assert.Contains(t, stringBody, `"read_only":true,`)
 	assert.Contains(t, stringBody, `"global_key":false}`)
 	assert.Contains(t, stringBody, `"expiration_time":"30 seconds",`)