diff --git a/gprMax/cmds_geometry/box.py b/gprMax/cmds_geometry/box.py
index 1544f7e5..e9d1cf7a 100644
--- a/gprMax/cmds_geometry/box.py
+++ b/gprMax/cmds_geometry/box.py
@@ -23,6 +23,7 @@ import numpy as np
 import gprMax.config as config
 
 from ..cython.geometry_primitives import build_box
+from ..hash_cmds_geometry import check_averaging
 from ..materials import Material
 from .cmds_geometry import UserObjectGeometry, rotate_2point_object
 
@@ -87,6 +88,7 @@ class Box(UserObjectGeometry):
         try:
             # Try user-specified averaging
             averagebox = self.kwargs["averaging"]
+            averagebox = check_averaging(averagebox)
         except KeyError:
             # Otherwise go with the grid default
             averagebox = grid.averagevolumeobjects
diff --git a/gprMax/cmds_geometry/cone.py b/gprMax/cmds_geometry/cone.py
index c8f53219..c1a6ee2c 100644
--- a/gprMax/cmds_geometry/cone.py
+++ b/gprMax/cmds_geometry/cone.py
@@ -21,6 +21,7 @@ import logging
 import numpy as np
 
 from ..cython.geometry_primitives import build_cone
+from ..hash_cmds_geometry import check_averaging
 from ..materials import Material
 from .cmds_geometry import UserObjectGeometry
 
@@ -61,10 +62,11 @@ class Cone(UserObjectGeometry):
         # Check averaging
         try:
             # Try user-specified averaging
-            averagecylinder = self.kwargs["averaging"]
+            averagecone = self.kwargs["averaging"]
+            averagecone = check_averaging(averagecone)
         except KeyError:
             # Otherwise go with the grid default
-            averagecylinder = grid.averagevolumeobjects
+            averagecone = grid.averagevolumeobjects
 
         # Check materials have been specified
         # Isotropic case
@@ -106,7 +108,7 @@ class Cone(UserObjectGeometry):
 
         # Isotropic case
         if len(materials) == 1:
-            averaging = materials[0].averagable and averagecylinder
+            averaging = materials[0].averagable and averagecone
             numID = numIDx = numIDy = numIDz = materials[0].numID
 
         # Uniaxial anisotropic case
diff --git a/gprMax/cmds_geometry/cylinder.py b/gprMax/cmds_geometry/cylinder.py
index d29c015f..d96dd7fa 100644
--- a/gprMax/cmds_geometry/cylinder.py
+++ b/gprMax/cmds_geometry/cylinder.py
@@ -21,6 +21,7 @@ import logging
 import numpy as np
 
 from ..cython.geometry_primitives import build_cylinder
+from ..hash_cmds_geometry import check_averaging
 from ..materials import Material
 from .cmds_geometry import UserObjectGeometry
 
@@ -59,6 +60,7 @@ class Cylinder(UserObjectGeometry):
         try:
             # Try user-specified averaging
             averagecylinder = self.kwargs["averaging"]
+            averagecylinder = check_averaging(averagecylinder)
         except KeyError:
             # Otherwise go with the grid default
             averagecylinder = grid.averagevolumeobjects
diff --git a/gprMax/cmds_geometry/cylindrical_sector.py b/gprMax/cmds_geometry/cylindrical_sector.py
index 40a9e0ce..13142783 100644
--- a/gprMax/cmds_geometry/cylindrical_sector.py
+++ b/gprMax/cmds_geometry/cylindrical_sector.py
@@ -21,6 +21,7 @@ import logging
 import numpy as np
 
 from ..cython.geometry_primitives import build_cylindrical_sector
+from ..hash_cmds_geometry import check_averaging
 from ..materials import Material
 from .cmds_geometry import UserObjectGeometry
 
@@ -74,6 +75,7 @@ class CylindricalSector(UserObjectGeometry):
         try:
             # Try user-specified averaging
             averagecylindricalsector = self.kwargs["averaging"]
+            averagecylindricalsector = check_averaging(averagecylindricalsector)
         except KeyError:
             # Otherwise go with the grid default
             averagecylindricalsector = grid.averagevolumeobjects
diff --git a/gprMax/cmds_geometry/ellipsoid.py b/gprMax/cmds_geometry/ellipsoid.py
index dc4f16a1..fa5e825e 100644
--- a/gprMax/cmds_geometry/ellipsoid.py
+++ b/gprMax/cmds_geometry/ellipsoid.py
@@ -21,6 +21,7 @@ import logging
 import numpy as np
 
 from ..cython.geometry_primitives import build_ellipsoid
+from ..hash_cmds_geometry import check_averaging
 from ..materials import Material
 from .cmds_geometry import UserObjectGeometry
 
@@ -60,6 +61,7 @@ class Ellipsoid(UserObjectGeometry):
         try:
             # Try user-specified averaging
             averageellipsoid = self.kwargs["averaging"]
+            averageellipsoid = check_averaging(averageellipsoid)
         except KeyError:
             # Otherwise go with the grid default
             averageellipsoid = grid.averagevolumeobjects
diff --git a/gprMax/cmds_geometry/sphere.py b/gprMax/cmds_geometry/sphere.py
index 185cac80..b4e0e607 100644
--- a/gprMax/cmds_geometry/sphere.py
+++ b/gprMax/cmds_geometry/sphere.py
@@ -21,6 +21,7 @@ import logging
 import numpy as np
 
 from ..cython.geometry_primitives import build_sphere
+from ..hash_cmds_geometry import check_averaging
 from ..materials import Material
 from .cmds_geometry import UserObjectGeometry
 
@@ -55,6 +56,7 @@ class Sphere(UserObjectGeometry):
         try:
             # Try user-specified averaging
             averagesphere = self.kwargs["averaging"]
+            averagesphere = check_averaging(averagesphere)
         except KeyError:
             # Otherwise go with the grid default
             averagesphere = grid.averagevolumeobjects
diff --git a/gprMax/cmds_geometry/triangle.py b/gprMax/cmds_geometry/triangle.py
index 714524c2..29919de9 100644
--- a/gprMax/cmds_geometry/triangle.py
+++ b/gprMax/cmds_geometry/triangle.py
@@ -21,6 +21,7 @@ import logging
 import numpy as np
 
 from ..cython.geometry_primitives import build_triangle
+from ..hash_cmds_geometry import check_averaging
 from ..materials import Material
 from .cmds_geometry import UserObjectGeometry, rotate_point
 
@@ -80,6 +81,7 @@ class Triangle(UserObjectGeometry):
         try:
             # Try user-specified averaging
             averagetriangularprism = self.kwargs["averaging"]
+            averagetriangularprism = check_averaging(averagetriangularprism)
         except KeyError:
             # Otherwise go with the grid default
             averagetriangularprism = grid.averagevolumeobjects