diff --git a/benches/eval_array.rs b/benches/eval_array.rs
index 687f22f5..d97e1164 100644
--- a/benches/eval_array.rs
+++ b/benches/eval_array.rs
@@ -51,7 +51,7 @@ fn bench_eval_array_large_set(bench: &mut Bencher) {
     let script = r#"let x = [ 1, 2.345, "hello", true,
                                 [ 1, 2, 3, [ "hey", [ "deeply", "nested" ], "jude" ] ]
                             ];
-                            x[4] = 42
+                            x[4][3][1][1] = 42
     "#;
 
     let mut engine = Engine::new();
diff --git a/scripts/mat_mul.rhai b/scripts/mat_mul.rhai
index c7c00ae9..59011e22 100644
--- a/scripts/mat_mul.rhai
+++ b/scripts/mat_mul.rhai
@@ -16,9 +16,7 @@ fn mat_gen(n) {
 
     for i in range(0, n) {
         for j in range(0, n) {
-			let foo = m[i];
-            foo[j] = tmp * (i.to_float() - j.to_float()) * (i.to_float() + j.to_float());
-			m[i] = foo;
+            m[i][j] = tmp * (i.to_float() - j.to_float()) * (i.to_float() + j.to_float());
         }
     }
 	
@@ -34,9 +32,7 @@ fn mat_mul(a, b) {
 	
     for i in range(0, n) {
         for j in range(0, p) {
-			let foo = b2[j];
-            foo[i] = b[i][j];
-			b2[j] = foo;
+            b2[j][i] = b[i][j];
         }
     }