diff --git a/Serie04/pi/pi.sub b/Serie04/pi/pi.sub
index 47368aa..65efd5c 100644
--- a/Serie04/pi/pi.sub
+++ b/Serie04/pi/pi.sub
@@ -1,20 +1,20 @@
 #!/usr/bin/bash -l
 #SBATCH --reservation phpc2021
 #SBATCH --account phpc2021
 #SBATCH -N 1
 #SBATCH -n 1
 #SBATCH --cpus-per-task 4
 
 # We are using only one node do to shared memory parallelism
 # We use only one task (process)
 # and n cpus_per_task which are the maximum number of threads that we can use
 
 # if you compiled with intel comment the gcc line and uncomment the intel one
 module load gcc
 # module load intel
 
 
 # We align the omp num threads to the number of cpus we asked to slurm
-export OMP_NUM_THREADS=${SLURM_CPUS_PER_TASKS}
+export OMP_NUM_THREADS=${SLURM_CPUS_PER_TASK}
 
 ./pi