diff --git a/scwx-qt/source/scwx/qt/gl/draw/linked_vectors.cpp b/scwx-qt/source/scwx/qt/gl/draw/linked_vectors.cpp
index fad46a2a..6843477a 100644
--- a/scwx-qt/source/scwx/qt/gl/draw/linked_vectors.cpp
+++ b/scwx-qt/source/scwx/qt/gl/draw/linked_vectors.cpp
@@ -126,6 +126,7 @@ void LinkedVectors::StartVectors()
 {
    // Start a new set of geo lines
    p->geoLines_->StartLines();
+   p->vectorList_.clear();
 }
 
 std::shared_ptr<LinkedVectorDrawItem> LinkedVectors::AddVector(