diff --git a/src/heyarne/line_us/gcode.clj b/src/heyarne/line_us/gcode.clj
index a6b7b00..dba825e 100644
--- a/src/heyarne/line_us/gcode.clj
+++ b/src/heyarne/line_us/gcode.clj
@@ -25,7 +25,7 @@
    (->gcode-verts geom {}))
   ([geom {:keys [r]}]
    (vertices->gcode-verts (try
-                            (g/vertices geom r)
+                            (if r (g/vertices geom r) (g/vertices geom))
                             (catch IllegalArgumentException _
                               (g/vertices geom))))))