diff --git a/src/tests/mat.rs b/src/tests/mat.rs
index a23e7f1a..d1dc19c4 100644
--- a/src/tests/mat.rs
+++ b/src/tests/mat.rs
@@ -24,7 +24,7 @@ use dim3::mat3::Mat3;
 use adaptors::rotmat::Rotmat;
 
 macro_rules! test_inv_mat_impl(
-  ($t:ty) => (
+  ($t: ty) => (
     for 10000.times
     {
       let randmat : $t = random();
diff --git a/src/tests/vec.rs b/src/tests/vec.rs
index 84be3e6a..89941413 100644
--- a/src/tests/vec.rs
+++ b/src/tests/vec.rs
@@ -26,7 +26,7 @@ use traits::dot::Dot;
 use traits::norm::Norm;
 
 macro_rules! test_commut_dot_impl(
-  ($t:ty) => (
+  ($t: ty) => (
     for 10000.times
     {
       let v1 : $t = random();
@@ -38,7 +38,7 @@ macro_rules! test_commut_dot_impl(
 )
 
 macro_rules! test_basis_impl(
-  ($t:ty) => (
+  ($t: ty) => (
     for 10000.times
     {
       let basis = Basis::canonical_basis::<$t>();
@@ -55,7 +55,7 @@ macro_rules! test_basis_impl(
 )
 
 macro_rules! test_subspace_basis_impl(
-  ($t:ty) => (
+  ($t: ty) => (
     for 10000.times
     {
       let v : Vec3<f64> = random();