diff --git a/src/kiri/mode/cam/prepare.js b/src/kiri/mode/cam/prepare.js
index 2d8bcd8e..bb7df3be 100644
--- a/src/kiri/mode/cam/prepare.js
+++ b/src/kiri/mode/cam/prepare.js
@@ -821,8 +821,10 @@ export function prepEach(widget, settings, print, firstPoint, update) {
 
                         let endDelta = e1.distTo2D(e3)
                         if(endDelta < 0.01){
-                            // console.log("circleCompleteFault")
+                            console.log("circleCompleteFault")
+                            let last = arcQ.peek()
                             drainQ(true)
+                            arcQ.push(last)
                             return e3
                         }