diff --git a/src/macros.rs b/src/macros.rs
index 4e1583d..091a21e 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -98,7 +98,7 @@ macro_rules! assert_almost_eq {
 #[macro_export]
 macro_rules! concatenate {
     ( $name:ident, $([$estimator:ident, $statistic:ident]),+ ) => {
-        concatenate!( $name, $([$estimator, $statistic, $statistic]),* )
+        concatenate!( $name, $([$estimator, $statistic, $statistic]),* );
     };
     ( $name:ident, $( [$estimator:ident, $field:ident, $($statistic:ident),+] ),+ ) => {
         struct $name {
diff --git a/tests/macros.rs b/tests/macros.rs
index 9d3f7eb..db3b6f6 100644
--- a/tests/macros.rs
+++ b/tests/macros.rs
@@ -4,14 +4,12 @@
 
 extern crate core;
 
-use average::Estimate;
+use average::{Estimate, Min, Max};
+
+concatenate!(MinMax, [Min, min], [Max, max]);
 
 #[test]
 fn concatenate_simple() {
-    use average::{Min, Max};
-
-    concatenate!(MinMax, [Min, min], [Max, max]);
-
     {
         let mut s = MinMax::new();
         for i in 1..6 {