diff --git a/src/src/UI/Manager/ImageViewManager.cpp b/src/src/UI/Manager/ImageViewManager.cpp
index 766688a..c8747aa 100644
--- a/src/src/UI/Manager/ImageViewManager.cpp
+++ b/src/src/UI/Manager/ImageViewManager.cpp
@@ -327,7 +327,7 @@ void ImageViewManager::viewSyncPoint(DicomImageView *src, void * sliceData){
 
 
 void ImageViewManager::renderReferenceLine() {
-    vtkPoints* pts = currentView->hasSeries() ? currentView->getSliceBoundPoints() : nullptr;
+    auto  pts = currentView->hasSeries() ? currentView->getSliceBoundPoints() : nullptr;
     smartDo([](auto v, auto callData) {
         if (v->hasSeries()) {
             //disable global trigger slot
@@ -338,6 +338,7 @@ void ImageViewManager::renderReferenceLine() {
         v->updateReferenceLine(nullptr);
     },currentView, pts, SameStudyOrthogonalSeries);
     currentView->updateReferenceLine(nullptr);
+    if (pts)pts->Delete();
 }
 
 void ImageViewManager::viewPaned(DicomImageView *src, void* offsetVector) {