diff --git a/python_sample/icgen/gen_ic_from_borg.py b/python_sample/icgen/gen_ic_from_borg.py
index a3b48cd..aced412 100644
--- a/python_sample/icgen/gen_ic_from_borg.py
+++ b/python_sample/icgen/gen_ic_from_borg.py
@@ -12,7 +12,7 @@ cosmo['ns']=0.9624
 supergen=4
 zstart=50
 astart=1/(1.+zstart)
-halfPixelShift=True
+halfPixelShift=False
 
 if __name__=="__main__":
     bic.write_icfiles(*bic.run_generation("initial_condition_borg.dat", 0.001, astart, cosmo, supersample=1, shiftPixel=halfPixelShift, do_lpt2=False), supergenerate=supergen)