diff --git a/run_pm_dmo_NFW_fixed_timestep.md b/run_pm_dmo_NFW_fixed_timestep.md
index aa39bd2939988f5a7d6f2ed09363e48042a309c7..517a7530da1c53727621780a4545cdae7d758b33 100644
--- a/run_pm_dmo_NFW_fixed_timestep.md
+++ b/run_pm_dmo_NFW_fixed_timestep.md
@@ -86,10 +86,7 @@ with (
             fig, ax = plt.subplots(1)
             ax.hist2d(p['pos'][:, 0], p['pos'][:, 1], bins=128)
             ax.set_aspect('equal')
-            path = os.path.join(
-                os.getenv('HW_BUILD', '.'), f'snap{ts.steps}_rank{mpi.rank}.png'
-            )
-            fig.savefig(path, bbox_inches='tight', dpi=200)
+            fig.savefig(f'snap{ts.steps}_rank{mpi.rank}.png', bbox_inches='tight', dpi=200)
             plt.close(fig)
 
 print('Simulation finished')
\ No newline at end of file