diff --git a/examples/GEAR/ZoomIn/run.sh b/examples/GEAR/ZoomIn/run.sh
index 58961e02539f83ad8e76eb557d440c2095cc02d7..471416dff553496d104f4ef78ef705718d82ce05 100755
--- a/examples/GEAR/ZoomIn/run.sh
+++ b/examples/GEAR/ZoomIn/run.sh
@@ -7,5 +7,5 @@ then
     ./getIC.sh
 fi
 
-../../swift --feedback --cosmology  --limiter --sync --self-gravity --hydro --stars --star-formation --threads=8 zoom_in.yml 2>&1 | tee output.log
+../../swift --cooling --feedback --cosmology  --limiter --sync --self-gravity --hydro --stars --star-formation --threads=8 zoom_in.yml 2>&1 | tee output.log
 
diff --git a/examples/GEAR/ZoomIn/zoom_in.yml b/examples/GEAR/ZoomIn/zoom_in.yml
index 422ed98aad90e58381b4699c1a857287e0d2392f..20b46f4dfb4a8daa0d57ea6e5e4da4d667ba1438 100644
--- a/examples/GEAR/ZoomIn/zoom_in.yml
+++ b/examples/GEAR/ZoomIn/zoom_in.yml
@@ -87,6 +87,8 @@ GEARFeedback:
 GEARStarFormation:
   star_formation_efficiency: 0.01   # star formation efficiency (c_*)
   maximal_temperature:  3e4         # Upper limit to the temperature of a star forming particle
+  n_stars_per_particle: 4
+  min_mass_frac: 0.5
 
 GEARPressureFloor:
   jeans_factor: 10.       # Number of particles required to suppose a resolved clump and avoid the pressure floor.