diff --git a/src/structs/dvec.rs b/src/structs/dvec.rs
index 372a8cdd..58f43383 100644
--- a/src/structs/dvec.rs
+++ b/src/structs/dvec.rs
@@ -161,7 +161,7 @@ impl<N> DVec<N> {
     }
 }
 
-impl<N> Container for DVec<N> {
+impl<N> Collection for DVec<N> {
     #[inline]
     fn len(&self) -> uint {
         self.at.len()
diff --git a/src/structs/vec_macros.rs b/src/structs/vec_macros.rs
index 761a7c1f..fd4779c8 100644
--- a/src/structs/vec_macros.rs
+++ b/src/structs/vec_macros.rs
@@ -244,7 +244,7 @@ macro_rules! dim_impl(
 
 macro_rules! container_impl(
     ($t: ident) => (
-        impl<N> Container for $t<N> {
+        impl<N> Collection for $t<N> {
             #[inline]
             fn len(&self) -> uint {
                 Dim::dim(None::<$t<N>>)