diff --git a/src/TreeSupport.cpp b/src/TreeSupport.cpp
index e83257fc99..1c8a3d2b01 100644
--- a/src/TreeSupport.cpp
+++ b/src/TreeSupport.cpp
@@ -425,7 +425,7 @@ Polygons TreeSupport::ensureMaximumDistancePolyline(const Polygons& input, coord
         if (length < 2 * distance && min_points <= 1)
         {
             ClosestPolygonPoint middle_point(part[0], 0, part);
-            middle_point = PolygonUtils::walk(middle_point, coord_t(length / 2 + 10));
+            middle_point = PolygonUtils::walk(middle_point, coord_t(length / 2));
             line.add(middle_point.location);
         }
         else