diff --git a/openstack/objectstorage/v1/objects/requests.go b/openstack/objectstorage/v1/objects/requests.go
index 4ac1e03..cf1fbb4 100644
--- a/openstack/objectstorage/v1/objects/requests.go
+++ b/openstack/objectstorage/v1/objects/requests.go
@@ -146,7 +146,7 @@
 	Metadata           map[string]string
 	ContentDisposition string `h:"Content-Disposition"`
 	ContentEncoding    string `h:"Content-Encoding"`
-	ContentLength      int    `h:"Content-Length"`
+	ContentLength      int64  `h:"Content-Length"`
 	ContentType        string `h:"Content-Type"`
 	CopyFrom           string `h:"X-Copy-From"`
 	DeleteAfter        int    `h:"X-Delete-After"`
diff --git a/openstack/objectstorage/v1/objects/results.go b/openstack/objectstorage/v1/objects/results.go
index 102d94c..bbbdbd0 100644
--- a/openstack/objectstorage/v1/objects/results.go
+++ b/openstack/objectstorage/v1/objects/results.go
@@ -14,7 +14,7 @@
 
 // Object is a structure that holds information related to a storage object.
 type Object struct {
-	Bytes        int    `json:"bytes" mapstructure:"bytes"`
+	Bytes        int64  `json:"bytes" mapstructure:"bytes"`
 	ContentType  string `json:"content_type" mapstructure:"content_type"`
 	Hash         string `json:"hash" mapstructure:"hash"`
 	LastModified string `json:"last_modified" mapstructure:"last_modified"`