diff --git a/src/Mod/Path/libarea/Adaptive.cpp b/src/Mod/Path/libarea/Adaptive.cpp
index adb0389020..c004e151be 100644
--- a/src/Mod/Path/libarea/Adaptive.cpp
+++ b/src/Mod/Path/libarea/Adaptive.cpp
@@ -620,7 +620,7 @@ void SmoothPaths(Paths &paths, double stepSize, long pointCount, long iterations
 				points.push_back(pair<size_t /*path index*/, IntPoint>(i, pt));
 				continue;
 			}
-			const auto &back=points.back();
+			const auto back=points.back();
 			const IntPoint & lastPt = back.second;