diff --git a/src/libslic3r/ShortestPath.cpp b/src/libslic3r/ShortestPath.cpp
index 56b1234c1..058802229 100644
--- a/src/libslic3r/ShortestPath.cpp
+++ b/src/libslic3r/ShortestPath.cpp
@@ -1030,6 +1030,9 @@ void reorder_extrusion_entities(std::vector<ExtrusionEntity*> &entities, const s
 
 void chain_and_reorder_extrusion_entities(std::vector<ExtrusionEntity*> &entities, const Point *start_near)
 {
+    // this function crashes if there are empty elements in entities
+    entities.erase(std::remove_if(entities.begin(), entities.end(), [](ExtrusionEntity *entity) { return static_cast<ExtrusionEntityCollection *>(entity)->empty(); }),
+                   entities.end());
 	reorder_extrusion_entities(entities, chain_extrusion_entities(entities, start_near));
 }
 
diff --git a/src/libslic3r/Support/TreeSupport.cpp b/src/libslic3r/Support/TreeSupport.cpp
index 65f379a9f..d4e4c9899 100644
--- a/src/libslic3r/Support/TreeSupport.cpp
+++ b/src/libslic3r/Support/TreeSupport.cpp
@@ -1616,9 +1616,6 @@ void TreeSupport::generate_toolpaths()
 
                 // sort extrusions to reduce travel, also make sure walls go before infills
                 if (ts_layer->support_fills.no_sort == false) {
-                    // chain_and_reorder_extrusion_entities crashes if there are empty elements in entities
-                    auto &entities = ts_layer->support_fills.entities;
-                    entities.erase(std::remove_if(entities.begin(), entities.end(), [](ExtrusionEntity* entity) { return static_cast<ExtrusionEntityCollection*>(entity)->empty(); }), entities.end());
                     chain_and_reorder_extrusion_entities(ts_layer->support_fills.entities);
                 }
             }