diff --git a/src/physics.rs b/src/physics.rs
index a8c9744..73fe423 100644
--- a/src/physics.rs
+++ b/src/physics.rs
@@ -1985,7 +1985,7 @@ mod test{
 	fn test_collision_rotated(relative_body:Body,expected_collision_time:Option<Time>){
 		let h0=HitboxMesh::new(PhysicsMesh::unit_cube(),
 			integer::Planar64Affine3::new(
-				integer::Planar64Mat3::from_rows([
+				integer::Planar64Mat3::from_cols([
 					int3(5,0,1)>>1,
 					int3(0,1,0)>>1,
 					int3(-1,0,5)>>1,