diff --git a/uri.go b/uri.go
index 401ec1ad7..8f9df2b72 100644
--- a/uri.go
+++ b/uri.go
@@ -82,8 +82,8 @@ func NewURIFromAddress(address string) (*URI, error) {
 	return parseAddress(address)
 }
 
-// SetScheme sets the scheme of this URI.
-func (u *URI) SetScheme(scheme string) error {
+// setScheme sets the scheme of this URI.
+func (u *URI) setScheme(scheme string) error {
 	m := schemeRegexp.FindStringSubmatch(scheme)
 	if m == nil {
 		return errors.New("invalid scheme")
diff --git a/uri_internal_test.go b/uri_internal_test.go
index 07da55226..9bc6403d7 100644
--- a/uri_internal_test.go
+++ b/uri_internal_test.go
@@ -79,7 +79,7 @@ func TestURIPath(t *testing.T) {
 func TestSetScheme(t *testing.T) {
 	uri := defaultURI()
 	target := "fun"
-	err := uri.SetScheme(target)
+	err := uri.setScheme(target)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -111,7 +111,7 @@ func TestSetPort(t *testing.T) {
 
 func TestSetInvalidScheme(t *testing.T) {
 	uri := defaultURI()
-	err := uri.SetScheme("?invalid")
+	err := uri.setScheme("?invalid")
 	if err == nil {
 		t.Fatalf("Should have failed")
 	}
diff --git a/utils_internal_test.go b/utils_internal_test.go
index 88b1473c0..bf2c4f01f 100644
--- a/utils_internal_test.go
+++ b/utils_internal_test.go
@@ -56,7 +56,7 @@ func NewTestCluster(n int) *cluster {
 // NewTestURI is a test URI creator that intentionally swallows errors.
 func NewTestURI(scheme, host string, port uint16) URI {
 	uri := defaultURI()
-	uri.SetScheme(scheme)
+	uri.setScheme(scheme)
 	uri.setHost(host)
 	uri.SetPort(port)
 	return *uri