diff --git a/cmd/cloudinit/cloudinit.go b/cmd/cloudinit/cloudinit.go
index 24c64ad8..250cd086 100644
--- a/cmd/cloudinit/cloudinit.go
+++ b/cmd/cloudinit/cloudinit.go
@@ -221,7 +221,8 @@ func executeCloudConfig() error {
 		if len(configMount) != 4 {
 			log.Errorf("Unable to mount %s: must specify exactly four arguments", configMount[1])
 		}
-		if err := mount.Mount(configMount[0], configMount[1], configMount[2], configMount[3]); err != nil {
+		device := util.ResolveDevice(configMount[0])
+		if err := mount.Mount(device, configMount[1], configMount[2], configMount[3]); err != nil {
 			log.Errorf("Unable to mount %s: %s", configMount[1], err)
 		}
 	}