diff --git a/src/structs/spec/identity.rs b/src/structs/spec/identity.rs
index 235f541b..1fc39f50 100644
--- a/src/structs/spec/identity.rs
+++ b/src/structs/spec/identity.rs
@@ -1,7 +1,7 @@
 use std::num::{One, Zero};
 use structs::mat;
 use traits::operations::{Inv, Transpose};
-use traits::geometry::{Translation, Translate, Rotation, Rotate, Transformation, Transform};
+use traits::geometry::{Translation, Translate, Rotation, Rotate, Transformation, Transform, AbsoluteRotate};
 
 impl One for mat::Identity {
     #[inline]
@@ -136,6 +136,13 @@ impl<V: Clone> Rotate<V> for mat::Identity {
     }
 }
 
+impl<V: Clone> AbsoluteRotate<V> for mat::Identity {
+    #[inline]
+    fn absolute_rotate(&self, v: &V) -> V {
+        v.clone()
+    }
+}
+
 impl<M: One> Transformation<M> for mat::Identity {
     #[inline]
     fn transformation(&self) -> M {