diff -r eae8b3bce545 -r 46dc716238fd src/editmodes/rectangleMode.cpp
--- a/src/editmodes/rectangleMode.cpp	Sun Mar 05 16:47:52 2017 +0200
+++ b/src/editmodes/rectangleMode.cpp	Sun Mar 05 16:50:06 2017 +0200
@@ -43,7 +43,7 @@
 	if (countof(m_drawedVerts) == 2)
 	{
 		Model model {m_documents};
-		LDQuadrilateral* quad = model.emplace<LDQuadrilateral>();
+		LDQuadrilateral* quad = model.append<LDQuadrilateral>();
 		updateRectVerts();
 
 		for (int i = 0; i < quad->numVertices(); ++i)