diff --git a/invesalius/data/surface.py b/invesalius/data/surface.py
index e5fc2bd..43ca55c 100644
--- a/invesalius/data/surface.py
+++ b/invesalius/data/surface.py
@@ -137,6 +137,17 @@ class SurfaceManager():
                                UpdateProgress(smoother, "Smoothing surface..."))
             polydata = smoother.GetOutput()
   
+        # Filter used to detect and fill holes. Only fill boundary edges holes.
+        #TODO: Hey! This piece of code is the same from
+        # polydata_utils.FillSurfaceHole, we need to review this.
+        filled_polydata = vtk.vtkFillHolesFilter()
+        filled_polydata.SetInput(polydata)
+        filled_polydata.SetHoleSize(500)
+        filled_polydata.AddObserver("ProgressEvent", lambda obj, evt:
+                               UpdateProgress(filled_polydata,
+                                              "Filling polydata..."))
+        polydata = filled_polydata.GetOutput()
+
         # Orient normals from inside to outside
         normals = vtk.vtkPolyDataNormals()
         normals.SetInput(polydata)
@@ -231,4 +242,4 @@ class SurfaceManager():
         # Update value in project's surface_dict
         proj = Project()
         proj.surface_dict[index].colour = colour
-        ps.Publisher().sendMessage('Render volume viewer')
\ No newline at end of file
+        ps.Publisher().sendMessage('Render volume viewer')
diff --git a/invesalius/reader/dicom.py b/invesalius/reader/dicom.py
index f4069f8..afce6d2 100644
--- a/invesalius/reader/dicom.py
+++ b/invesalius/reader/dicom.py
@@ -1339,7 +1339,7 @@ class Parser():
         img = self.gdcm_reader.GetImage()
         direc_cosines = img.GetDirectionCosines()
         orientation = gdcm.Orientation()
-        type = orientation.GetType(direc_cosines)
+        type = orientation.GetType(tuple(direc_cosines))
         label = orientation.GetLabel(type)
         
         if (label):
--
libgit2 0.21.2