diff --git a/nbodykit/source/catalog/lognormal.py b/nbodykit/source/catalog/lognormal.py
index c2c8ed5d0..b48e80385 100644
--- a/nbodykit/source/catalog/lognormal.py
+++ b/nbodykit/source/catalog/lognormal.py
@@ -130,7 +130,7 @@ def _makesource(self, BoxSize, Nmesh):
         # the particle mesh for gridding purposes
         _Nmesh = numpy.empty(3, dtype='i8')
         _Nmesh[:] = Nmesh
-        pm = ParticleMesh(BoxSize=BoxSize, Nmesh=_Nmesh, dtype='f4', comm=self.comm)
+        pm = ParticleMesh(BoxSize=BoxSize, Nmesh=_Nmesh, dtype='f4', comm=self.comm, transposed=False)
 
         # growth rate to do RSD in the Zel'dovich approx
         f = self.cosmo.scale_independent_growth_rate(self.attrs['redshift'])