diff --git a/fastly/token.go b/fastly/token.go
index 71b8cca0b..8e32866d7 100644
--- a/fastly/token.go
+++ b/fastly/token.go
@@ -54,8 +54,13 @@ func (s tokensByName) Less(i, j int) bool {
 	return s[i].Name < s[j].Name
 }
 
+// ListTokensInput is used as input to the ListTokens function.
+type ListTokensInput struct {
+	// For backward compatibility.
+}
+
 // ListTokens retrieves all resources.
-func (c *Client) ListTokens() ([]*Token, error) {
+func (c *Client) ListTokens(i *ListTokensInput) ([]*Token, error) {
 	resp, err := c.Get("/tokens", nil)
 	if err != nil {
 		return nil, err
diff --git a/fastly/token_test.go b/fastly/token_test.go
index c12eb19f3..049a2ca94 100644
--- a/fastly/token_test.go
+++ b/fastly/token_test.go
@@ -8,7 +8,7 @@ func TestClient_ListTokens(t *testing.T) {
 	var tokens []*Token
 	var err error
 	record(t, "tokens/list", func(c *Client) {
-		tokens, err = c.ListTokens()
+		tokens, err = c.ListTokens(&ListTokensInput{})
 	})
 	if err != nil {
 		t.Fatal(err)