diff --git a/src/vector2d.rs b/src/vector2d.rs
index 742f794..b7ef0c0 100644
--- a/src/vector2d.rs
+++ b/src/vector2d.rs
@@ -29,7 +29,7 @@ where
     <usize as TryFrom<T>>::Error: Debug,
     T: Copy,
 {
-    let (x, y): (usize, usize) = (idx.y.try_into().unwrap(), idx.x.try_into().unwrap());
+    let (x, y): (usize, usize) = (idx.x.try_into().unwrap(), idx.y.try_into().unwrap());
     &v[y][x]
 }