diff --git a/pythonVtk/python_vtk/vtkService/makeLittleVtk.py b/pythonVtk/python_vtk/vtkService/makeLittleVtk.py
index fb4ff371c6..57ba15ba67 100644
--- a/pythonVtk/python_vtk/vtkService/makeLittleVtk.py
+++ b/pythonVtk/python_vtk/vtkService/makeLittleVtk.py
@@ -1,6 +1,6 @@
 import vtk
 
-import vtkService.vtkService as vtkService
+import python_vtk.vtkService.vtkService as vtkService
 
 x = [1, 2, 3, 4]
 y = [1, 2, 3, 4]
diff --git a/pythonVtk/python_vtk/vtkService/vtkAddData_not_used.py b/pythonVtk/python_vtk/vtkService/vtkAddData_not_used.py
index f5cd87c8cd..d0067e8be8 100644
--- a/pythonVtk/python_vtk/vtkService/vtkAddData_not_used.py
+++ b/pythonVtk/python_vtk/vtkService/vtkAddData_not_used.py
@@ -3,7 +3,7 @@
 import numpy as np
 import vtk
 
-from vtkService.vtkService import writeDataArrayToNewVtkFile
+from python_vtk.vtkService.vtkService import writeDataArrayToNewVtkFile
 
 
 def main():
diff --git a/pythonVtk/python_vtk/vtkService/vtkService.py b/pythonVtk/python_vtk/vtkService/vtkService.py
index 42c5562a8f..b63485fbd2 100644
--- a/pythonVtk/python_vtk/vtkService/vtkService.py
+++ b/pythonVtk/python_vtk/vtkService/vtkService.py
@@ -9,15 +9,15 @@
 from thrift.TSerialization import deserialize
 from thrift.TSerialization import serialize
 
-from vcellvismesh.ttypes import ChomboIndexData
-from vcellvismesh.ttypes import FiniteVolumeIndexData
-from vcellvismesh.ttypes import MovingBoundaryIndexData
-from vcellvismesh.ttypes import PolyhedronFace
-from vcellvismesh.ttypes import VisIrregularPolyhedron
-from vcellvismesh.ttypes import VisLine
-from vcellvismesh.ttypes import VisMesh
-from vcellvismesh.ttypes import VisPolygon
-from vcellvismesh.ttypes import VisTetrahedron
+from python_vtk.vcellvismesh.ttypes import ChomboIndexData
+from python_vtk.vcellvismesh.ttypes import FiniteVolumeIndexData
+from python_vtk.vcellvismesh.ttypes import MovingBoundaryIndexData
+from python_vtk.vcellvismesh.ttypes import PolyhedronFace
+from python_vtk.vcellvismesh.ttypes import VisIrregularPolyhedron
+from python_vtk.vcellvismesh.ttypes import VisLine
+from python_vtk.vcellvismesh.ttypes import VisMesh
+from python_vtk.vcellvismesh.ttypes import VisPolygon
+from python_vtk.vcellvismesh.ttypes import VisTetrahedron
 
 
 def writeChomboVolumeVtkGridAndIndexData(visMesh: VisMesh, domainname: str, vtkfile, indexfile) -> None:
diff --git a/vcell-core/src/main/java/org/vcell/vis/vtk/VtkServicePython.java b/vcell-core/src/main/java/org/vcell/vis/vtk/VtkServicePython.java
index 91f913022b..f08116d1c7 100644
--- a/vcell-core/src/main/java/org/vcell/vis/vtk/VtkServicePython.java
+++ b/vcell-core/src/main/java/org/vcell/vis/vtk/VtkServicePython.java
@@ -62,7 +62,7 @@ private void callVtkPython(MeshType meshtype, String domainName, Path visMeshFil
 				String.valueOf(visMeshFile.toAbsolutePath()),
 				String.valueOf(vtkFile.toAbsolutePath()),
 				String.valueOf(indexFile.toAbsolutePath()) };
-		PythonUtils.callPoetryModule(vtkPythonDir, "vtkService.vtkService", commands);
+		PythonUtils.callPoetryModule(vtkPythonDir, "python_vtk.vtkService.vtkService", commands);
 	}
 
 }