diff --git a/Appli-iso3dfd/launch.sh b/Appli-iso3dfd/launch.sh
index 3247f20da89ecbd6c12bf7f709532ea0967c1b7f..38aed41b6c6481e2e5750c84c917d07983bc8016 100644
--- a/Appli-iso3dfd/launch.sh
+++ b/Appli-iso3dfd/launch.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
 #SBATCH --time=270
 
-mpirun -np 2 -map-by ppr:1:socket -bind-to socket python3 ACO.py
\ No newline at end of file
+mpirun -np 16 -map-by ppr:1:socket -bind-to socket python3 ACO.py