diff --git a/rune/libcontainer/specconv/example.go b/rune/libcontainer/specconv/example.go
index 6edaf9cab5421369c4c0589f99b2f6aed3b8d28f..98be708906512ad10e0f46c4d209845bd2de443f 100644
--- a/rune/libcontainer/specconv/example.go
+++ b/rune/libcontainer/specconv/example.go
@@ -180,7 +180,7 @@ func Example() *specs.Spec {
 				Source:      "/run/aesmd",
 				Options:     []string{"rbind", "rprivate"},
 			})
-		var mode os.FileMode = 0644
+		var mode os.FileMode = 0666
 		spec.Linux.Devices = append(spec.Linux.Devices,
 			specs.LinuxDevice{
 				Path:     "/dev/isgx",