diff --git a/fixed_wide_vectors/src/macros/matrix.rs b/fixed_wide_vectors/src/macros/matrix.rs
index 73023db..6123736 100644
--- a/fixed_wide_vectors/src/macros/matrix.rs
+++ b/fixed_wide_vectors/src/macros/matrix.rs
@@ -44,11 +44,11 @@ macro_rules! impl_matrix {
 					array:self.array.map(|axis|
 						core::array::from_fn(|_|
 							// axis dot product with transposed rhs array
-							axis.into_iter().zip(
+							axis.iter().zip(
 								array_of_iterators.each_mut().map(|iter|
 									iter.next().unwrap()
 								)
-							).map(|(a,b)|
+							).map(|(&a,b)|
 								a*b
 							).sum()
 						)