diff --git a/openstack/objectstorage/v1/objects/requests.go b/openstack/objectstorage/v1/objects/requests.go
index 7eedde2..62c006a 100644
--- a/openstack/objectstorage/v1/objects/requests.go
+++ b/openstack/objectstorage/v1/objects/requests.go
@@ -188,7 +188,7 @@
 }
 
 // Create is a function that creates a new object or replaces an existing object.
-func Create(c *gophercloud.ServiceClient, containerName, objectName string, content io.Reader, opts CreateOptsBuilder) CreateResult {
+func Create(c *gophercloud.ServiceClient, containerName, objectName string, content io.ReadSeeker, opts CreateOptsBuilder) CreateResult {
 	var res CreateResult
 
 	url := createURL(c, containerName, objectName)
diff --git a/openstack/objectstorage/v1/objects/requests_test.go b/openstack/objectstorage/v1/objects/requests_test.go
index 6be3534..941e59e 100644
--- a/openstack/objectstorage/v1/objects/requests_test.go
+++ b/openstack/objectstorage/v1/objects/requests_test.go
@@ -3,6 +3,7 @@
 import (
 	"bytes"
 	"io"
+	"strings"
 	"testing"
 
 	"github.com/rackspace/gophercloud/pagination"
@@ -85,7 +86,7 @@
 	defer th.TeardownHTTP()
 	HandleCreateTextObjectSuccessfully(t)
 
-	content := bytes.NewBufferString("Did gyre and gimble in the wabe")
+	content := strings.NewReader("Did gyre and gimble in the wabe")
 	options := &CreateOpts{ContentType: "text/plain"}
 	res := Create(fake.ServiceClient(), "testContainer", "testObject", content, options)
 	th.AssertNoErr(t, res.Err)
@@ -96,7 +97,7 @@
 	defer th.TeardownHTTP()
 	HandleCreateTypelessObjectSuccessfully(t)
 
-	content := bytes.NewBufferString("The sky was the color of television, tuned to a dead channel.")
+	content := strings.NewReader("The sky was the color of television, tuned to a dead channel.")
 	res := Create(fake.ServiceClient(), "testContainer", "testObject", content, &CreateOpts{})
 	th.AssertNoErr(t, res.Err)
 }