diff --git a/diffpy/labpdfproc/functions.py b/diffpy/labpdfproc/functions.py
index 1939fb5..2db6da3 100644
--- a/diffpy/labpdfproc/functions.py
+++ b/diffpy/labpdfproc/functions.py
@@ -1,10 +1,10 @@
-import numpy as np
+from diffpy.utils.scattering_objects.diffraction_objects import Diffraction_object
 
 wavelengths = {"Mo": 0.7107, "Ag": 0.59}
 def compute_cve(diffraction_data, mud, wavelength):
     # for a given mu and d and lambda, we will compute cve on a tth grid
     # something arbitrary for the moment
-    cve = diffpy.utils.DiffractionObject()
+    cve = Diffraction_object()
     cve_x = diffraction_data.on_tth[0]
     cve_y = cve_x * mud * wavelength
     cve.insert_scattering_quantity(cve_x, cve_y, "tth", metadata={ })
diff --git a/diffpy/labpdfproc/labpdfprocapp.py b/diffpy/labpdfproc/labpdfprocapp.py
index b37615e..7977b58 100644
--- a/diffpy/labpdfproc/labpdfprocapp.py
+++ b/diffpy/labpdfproc/labpdfprocapp.py
@@ -3,7 +3,7 @@
 
 from diffpy.labpdfproc.functions import compute_cve, apply_corr, wavelengths
 from diffpy.utils.parsers.loaddata import loadData
-from diffpy.utils.scattering_objects import DiffractionObject
+from diffpy.utils.scattering_objects.diffraction_objects import Diffraction_object
 
 
 known_sources = ["Ag", "Mo"]
@@ -51,7 +51,7 @@ def main():
     
     args = get_args()
     wavelength = wavelengths[args.anode_type]
-    input_pattern = DiffractionObject()
+    input_pattern = Diffraction_object()
     xarray, yarray = loadData(args.data_file, unpack=True)
     input_pattern.insert_scattering_quantity(xarray, yarray, "tth", metadata={ })