From 640d3fa39b647f9613ef47c812ad73cfa96ae0bc Mon Sep 17 00:00:00 2001
From: kreso-t <kresimir.tusek@gmail.com>
Date: Fri, 7 Sep 2018 18:27:29 +0200
Subject: [PATCH] Path: Adaptive -fix

---
 src/Mod/Path/libarea/Adaptive.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Mod/Path/libarea/Adaptive.cpp b/src/Mod/Path/libarea/Adaptive.cpp
index 5eb8bab0b9..d171bd7861 100644
--- a/src/Mod/Path/libarea/Adaptive.cpp
+++ b/src/Mod/Path/libarea/Adaptive.cpp
@@ -2107,8 +2107,10 @@ namespace AdaptivePath {
 					clip.AddPaths(toolCoverPoly,PolyType::ptClip,true);
 					clip.Execute(ClipType::ctUnion,cleared);
 					CleanPolygons(cleared);
-					lastPoint.X = finCleaned.back().X;
-					lastPoint.Y = finCleaned.back().Y;
+					if(!finCleaned.empty()) {
+						lastPoint.X = finCleaned.back().X;
+						lastPoint.Y = finCleaned.back().Y;
+					}
 			 } else {
 				 cerr << "UNABLE TO ADD FINISHING PASS! Please try increasing accuracy." << endl;
 				 break;