From 6322c8c753ea6b9162cffd17baeac4ee272d6ba5 Mon Sep 17 00:00:00 2001
From: namdre <jakob.erdmann@dlr.de>
Date: Mon, 26 Feb 2024 19:08:12 +0100
Subject: [PATCH] fix #14413

---
 src/utils/geom/PositionVector.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/utils/geom/PositionVector.cpp b/src/utils/geom/PositionVector.cpp
index 2cdf17afd27f..b1907caffebb 100644
--- a/src/utils/geom/PositionVector.cpp
+++ b/src/utils/geom/PositionVector.cpp
@@ -1115,7 +1115,7 @@ PositionVector::intersectsAtLengths2D(const Position& lp1, const Position& lp2)
 
 void
 PositionVector::extrapolate(const double val, const bool onlyFirst, const bool onlyLast) {
-    if (size() > 0) {
+    if (size() > 1) {
         Position& p1 = (*this)[0];
         Position& p2 = (*this)[1];
         const Position offset = (p2 - p1) * (val / p1.distanceTo(p2));
@@ -1137,7 +1137,7 @@ PositionVector::extrapolate(const double val, const bool onlyFirst, const bool o
 
 void
 PositionVector::extrapolate2D(const double val, const bool onlyFirst) {
-    if (size() > 0) {
+    if (size() > 1) {
         Position& p1 = (*this)[0];
         Position& p2 = (*this)[1];
         if (p1.distanceTo2D(p2) > 0) {