diff --git a/src/lib.rs b/src/lib.rs
index fba97c8c560c1005acdc11e430bd1ddddcda447b..2390006e510dd212ff3867134c8f1aa31ac0ca35 100755
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -80,7 +80,7 @@ pub struct ReferenceFramesSet {
 impl ReferenceFramesSet {
     pub fn new() -> ReferenceFramesSet {
         ReferenceFramesSet {
-            frames: [None, None, None, None, None, None, None, None]
+            frames: Default::default()
         }
     }
 }