diff --git a/rackspace/compute/v2/servers/requests.go b/rackspace/compute/v2/servers/requests.go
index 357b174..4f40e83 100644
--- a/rackspace/compute/v2/servers/requests.go
+++ b/rackspace/compute/v2/servers/requests.go
@@ -89,7 +89,10 @@
 	serverMap := res["server"].(map[string]interface{})
 	serverMap["key_name"] = opts.KeyPair
 
-	serverMap["block_device_mapping_v2"] = opts.BlockDevice
+	var bd bootfromvolume.BlockDevice
+	if opts.BlockDevice != bd {
+		serverMap["block_device_mapping_v2"] = []bootfromvolume.BlockDevice{opts.BlockDevice}
+	}
 
 	return res, nil
 }