diff --git a/src/lib-python/ioda_conv_engines.py b/src/lib-python/ioda_conv_engines.py
index 762254603..e193cadc9 100644
--- a/src/lib-python/ioda_conv_engines.py
+++ b/src/lib-python/ioda_conv_engines.py
@@ -91,7 +91,7 @@ def WriteGeoVars(self, GeoVars, GeoVarDims, GeoVarAttrs):
                 dims = GeoVarDims[VarName]
             else:
                 # assume it is just nlocs
-                dims = ['nlocs']
+                dims = ['Location']
             fillval = get_default_fill_val(Vvals.dtype)
             # get fill value
             if VarName in GeoVarAttrs.keys():
@@ -120,7 +120,7 @@ def WriteObsVars(self, ObsVars, VarDims, VarAttrs):
                 dims = VarDims[Vname]
             else:
                 # assume it is just nlocs
-                dims = ['nlocs']
+                dims = ['Location']
             fillval = get_default_fill_val(Vvals.dtype)
             # get fill value
             if VarKey in VarAttrs.keys():