diff --git a/conf/event-generator/simulation.yml b/conf/event-generator/simulation.yml
index 33c5cf16d71b2804000be803a947e7e3553c9cc8..1b8c40ac9cc96ba0d57c9429a745af65f58cfc3e 100644
--- a/conf/event-generator/simulation.yml
+++ b/conf/event-generator/simulation.yml
@@ -1,6 +1,9 @@
 simulation:
-  dynamics_grid_filename: icon_grid_0010_R02B04_G.nc
-  radiation_grid_filename: icon_grid_0009_R02B03_R.nc
+  #dynamics_grid_filename: icon_grid_0010_R02B04_G.nc
+  #radiation_grid_filename: icon_grid_0009_R02B03_R.nc
+  dynamics_grid_filename: icon_grid_0024_R02B06_G.nc
+  radiation_grid_filename: icon_grid_0023_R02B05_R.nc
+
 #  external_parameters_filename: icon_extpar_0010_R02B04_G.nc
   external_parameters_filename: icon_extpar_0024_R02B06_G_20200917_tiles.nc
   date_format: '%Y-%m-%dT%H:%M:%SZ'