diff --git a/examples/EAGLE_12/eagle_12.yml b/examples/EAGLE_12/eagle_12.yml
index 054356c2fb2e883ac4dcf49ecf477d076a17e658..af55da76ff513548bee52e51993fa8b78cfdc9e3 100644
--- a/examples/EAGLE_12/eagle_12.yml
+++ b/examples/EAGLE_12/eagle_12.yml
@@ -13,13 +13,22 @@ TimeIntegration:
   dt_min:     1e-10 # The minimal time-step size of the simulation (in internal units).
   dt_max:     1e-4  # The maximal time-step size of the simulation (in internal units).
 
+# Cosmological parameters
+Cosmology:
+  h:              0.6777        # Reduced Hubble constant
+  a_begin:        0.9090909     # Initial scale-factor of the simulation
+  a_end:          1.0           # Final scale factor of the simulation
+  Omega_m:        0.307         # Matter density parameter
+  Omega_lambda:   0.693         # Dark-energy density parameter
+  Omega_b:        0.0455        # Baryon density parameter
+  
 Scheduler:
   max_top_level_cells:    15
   
 # Parameters governing the snapshots
 Snapshots:
   basename:            eagle # Common part of the name of output files
-  time_first:          0.    # Time of the first output (in internal units)
+  time_first:          1.    # Time of the first output (in internal units)
   delta_time:          1e-3  # Time difference between consecutive outputs (in internal units)
 
 # Parameters governing the conserved quantities statistics