diff --git a/invesalius/project.py b/invesalius/project.py
index 8d5a72a..49999e2 100755
--- a/invesalius/project.py
+++ b/invesalius/project.py
@@ -64,7 +64,7 @@ class Project(object):
 
         # Surfaces are (vtkPolyData)
         self.surface_dict = {}
-        #self.last_surface_index = -1
+        self.last_surface_index = -1
 
         # Measurements
         self.measurement_dict = {}
--
libgit2 0.21.2