diff --git a/jaxpm/pm.py b/jaxpm/pm.py
index 31872dc..d587b23 100644
--- a/jaxpm/pm.py
+++ b/jaxpm/pm.py
@@ -87,7 +87,6 @@ def pgd_correction(pos, cosmo, params):
 
     forces_pgd= jnp.stack([cic_read(jnp.fft.irfftn(gradient_kernel(kvec, i)*pot_k_pgd), pos) 
                       for i in range(3)],axis=-1)
-    forces_pgd = forces_pgd * 1.5 * cosmo.Omega_m
     
     dpos_pgd = forces_pgd*alpha