diff --git a/common/src/vol.rs b/common/src/vol.rs
index 4d1d4a305e..1e008f4e71 100644
--- a/common/src/vol.rs
+++ b/common/src/vol.rs
@@ -119,9 +119,9 @@ pub trait ReadVol: BaseVol {
     where
         Self::Vox: Copy,
     {
-        for x in aabb.min.x..aabb.max.x + 1 {
+        for z in aabb.min.z..aabb.max.z + 1 {
             for y in aabb.min.y..aabb.max.y + 1 {
-                for z in aabb.min.z..aabb.max.z + 1 {
+                for x in aabb.min.x..aabb.max.x + 1 {
                     if let Ok(block) = self.get(Vec3::new(x, y, z)) {
                         f(Vec3::new(x, y, z), *block);
                     }