diff --git a/engine/physics/src/face_crawler.rs b/engine/physics/src/face_crawler.rs
index 216ced0..e0aa797 100644
--- a/engine/physics/src/face_crawler.rs
+++ b/engine/physics/src/face_crawler.rs
@@ -87,7 +87,7 @@ impl<F:Copy,M:MeshQuery<Normal=Vector3<F>,Offset=Fixed<4,128>>+std::fmt::Debug>
 					let face_n=mesh.face_nd(edge_face_id).0;
 					//edge_n gets parity from the order of edge_faces
 					let n=face_n.cross(edge_n)*((i as i64)*2-1);
-					println!("edge_face={edge_face_id:?} face_n={face_n:?} n={n:?}");
+					println!("edge_face={edge_face_id:?} face_n={face_n} n={n}");
 					//WARNING yada yada d *2
 					//wrap for speed
 					for dt in Fixed::<4,128>::zeroes2(n.dot(delta_pos).wrap_4(),n.dot(body.velocity).wrap_4()*2,n.dot(body.acceleration).wrap_4()){
diff --git a/engine/physics/src/model.rs b/engine/physics/src/model.rs
index caf9f16..dd9f25a 100644
--- a/engine/physics/src/model.rs
+++ b/engine/physics/src/model.rs
@@ -928,7 +928,8 @@ impl MeshQuery for MinkowskiMesh<'_>{
 						if d.is_negative(){
 							let edge1_nn=edge1_n.dot(edge1_n);
 							let dd=(d*d)/(edge_face0_nn*edge1_nn);
-							if best_d<dd{
+							if !dd.den.is_zero()&&best_d<dd{
+								println!("dd={dd:?}");
 								best_d=dd;
 								best_edge=Some(directed_edge_id1);
 							}