diff --git a/internal/entity/physics.go b/internal/entity/physics.go
index e2726df..98fa6d9 100644
--- a/internal/entity/physics.go
+++ b/internal/entity/physics.go
@@ -25,6 +25,13 @@ const MoveEps = 1e-7
 // It does not change anything in e.
 func (e *Entity) move(delta itype.Vec3d, w *world.World) (finDelta itype.Vec3d, finVelocity itype.Vec3d, onGround bool) {
 
+	// Truncate the delta to [0, 1]
+	for i := 0; i < len(delta); i++ {
+		if math.Abs(delta[i]) > 1 {
+			delta[i] /= math.Abs(delta[i])
+		}
+	}
+
 	// Get the hitboxes and the blocks region covering it
 	hb := e.WorldHitbox()
 	hbmin, hbmax := itype.Vec3d{1000000000, 1000000000, 1000000000}, itype.Vec3d{-1000000000, -1000000000, -1000000000}