diff --git a/src/Add-on/DrawDrilling/DrawDrillingTool.ts b/src/Add-on/DrawDrilling/DrawDrillingTool.ts
index 7d4256a3e..77f936bf4 100644
--- a/src/Add-on/DrawDrilling/DrawDrillingTool.ts
+++ b/src/Add-on/DrawDrilling/DrawDrillingTool.ts
@@ -1796,7 +1796,10 @@ export class DrawDrillingTool extends Singleton
 
     private AutoDeviation(drillent: ObjectId<CADObject>[], woodPinss: ObjectId<CADObject>[][], needRemoveDrillList: WeakSet<WeakKey>, tHoleOffset: number, minDrillSegment: number)
     {
-        const posX = (drillent[0].Object as CylinderHole).Position.clone().applyMatrix4(this.m_Face.OCSInv).x;
+        let drill = drillent.find((ent) => (ent?.Object as Hole)?.Position);
+        if (!drill) return;
+
+        const posX = (drill.Object as Hole).Position.clone().applyMatrix4(this.m_Face.OCSInv).x;
         const index = this.m_MoveDistList.findIndex((d) => equaln(posX, d));
 
         if (index === -1) return;