diff --git a/internal/devide_canvas/devide_canvas_object.py b/internal/devide_canvas/devide_canvas_object.py
index f6bc874d..c04a7ad9 100644
--- a/internal/devide_canvas/devide_canvas_object.py
+++ b/internal/devide_canvas/devide_canvas_object.py
@@ -577,7 +577,10 @@ def _create_geometry(self):
         m = vtk.vtkPolyDataMapper()
         # the BeveledEdgeBlock() polydata is created during construction, so
         # we use SetInputData() here.
-        m.SetInputData(self._beb.polydata)
+        if vtk.VTK_MAJOR_VERSION <= 5:
+            m.SetInput(self._beb.polydata)
+        else:
+            m.SetInputData(self._beb.polydata)
         self._rbsa.SetMapper(m)
 
         # we need Phong shading for the gradients
@@ -600,7 +603,10 @@ def _create_geometry(self):
 
         m = vtk.vtkPolyDataMapper()
         # SelectionBlock.polydata is kept up to date explicitly
-        m.SetInputData(self._selection_block.polydata)
+        if vtk.VTK_MAJOR_VERSION <= 5:
+            m.SetInput(self._selection_block.polydata)
+        else:
+            m.SetInputData(self._selection_block.polydata)
         a = vtk.vtkActor()
         a.SetMapper(m)
         a.GetProperty().SetOpacity(0.3)
@@ -611,7 +617,10 @@ def _create_geometry(self):
         # GLYPH BLOCKED OVERLAY #######################################
         m = vtk.vtkPolyDataMapper()
         # FilledBlock.polydata is kept up to date explicitly
-        m.SetInputData(self._blocked_block.polydata)
+        if vtk.VTK_MAJOR_VERSION <= 5:
+            m.SetInput(self._blocked_block.polydata)
+        else:
+            m.SetInputData(self._blocked_block.polydata)
         a = vtk.vtkActor()
         a.SetMapper(m)
         a.GetProperty().SetOpacity(0.3)
diff --git a/modules/viewers/DICOMBrowser.py b/modules/viewers/DICOMBrowser.py
index 70b0f84f..449d9819 100644
--- a/modules/viewers/DICOMBrowser.py
+++ b/modules/viewers/DICOMBrowser.py
@@ -1253,7 +1253,10 @@ def _serialise_study_dict(self, study_dict):
     def _set_image_viewer_dummy_input(self):
         ds = vtk.vtkImageGridSource()
         ds.Update()
-        self._image_viewer.SetInputData(ds.GetOutput())
+        if vtk.VTK_MAJOR_VERSION <= 5:
+            self._image_viewer.SetInput(ds.GetOutput())
+        else:
+            self._image_viewer.SetInputData(ds.GetOutput())
 
 
     def _setup_image_viewer(self):
diff --git a/modules/viewers/slice3dVWRmodules/sliceDirections.py b/modules/viewers/slice3dVWRmodules/sliceDirections.py
index 8fb4206a..4f3dec28 100644
--- a/modules/viewers/slice3dVWRmodules/sliceDirections.py
+++ b/modules/viewers/slice3dVWRmodules/sliceDirections.py
@@ -209,7 +209,10 @@ def _createSlice(self, sliceName):
                 self._setSliceInteraction(sliceName, True)
 
                 # and initialise the output polydata
-                self.ipwAppendPolyData.AddInputData(newSD.primaryPolyData)
+                if vtk.VTK_MAJOR_VERSION <= 5:
+                    self.ipwAppendPolyData.AddInput(newSD.primaryPolyData)
+                else:
+                    self.ipwAppendPolyData.AddInputData(newSD.primaryPolyData)
 
                 return newSD
 
diff --git a/modules/viewers/slice3dVWRmodules/tdObjects.py b/modules/viewers/slice3dVWRmodules/tdObjects.py
index 7e325fc4..71887d7f 100644
--- a/modules/viewers/slice3dVWRmodules/tdObjects.py
+++ b/modules/viewers/slice3dVWRmodules/tdObjects.py
@@ -117,7 +117,10 @@ def addObject(self, tdObject):
                 elif tdObject.GetClassName() == 'vtkPolyData':
                     mapper = vtk.vtkPolyDataMapper()
                     mapper.ImmediateModeRenderingOn()
-                    mapper.SetInputData(tdObject)
+                    if vtk.VTK_MAJOR_VERSION <= 5:
+                        mapper.SetInput(tdObject)
+                    else:
+                        mapper.SetInputData(tdObject)
                     actor = vtk.vtkActor()
                     actor.SetMapper(mapper)
 
@@ -259,7 +262,10 @@ def updateObject(self, prevObject, newObject):
             # record the new object ###################################
             objectDict['tdObject'] = newObject
             mapper = objectDict['vtkActor'].GetMapper()
-            mapper.SetInputData(newObject)
+            if vtk.VTK_MAJOR_VERSION <= 5:
+                mapper.SetInput(newObject)
+            else:
+                mapper.SetInputData(newObject)
             self._tdObjectsDict[newObject] = objectDict
 
             # set the new scalar range ################################