diff --git a/provider_client_test.go b/provider_client_test.go
new file mode 100644
index 0000000..b260246
--- /dev/null
+++ b/provider_client_test.go
@@ -0,0 +1,16 @@
+package gophercloud
+
+import (
+	"testing"
+
+	th "github.com/rackspace/gophercloud/testhelper"
+)
+
+func TestAuthenticatedHeaders(t *testing.T) {
+	p := &ProviderClient{
+		TokenID: "1234",
+	}
+	expected := map[string]string{"X-Auth-Token": "1234"}
+	actual := p.AuthenticatedHeaders()
+	th.CheckDeepEquals(t, expected, actual)
+}