diff --git a/Calibration_Labbook.org b/Calibration_Labbook.org
index a4e2b26f1349d5410dd90a160c4046aa193ca9e1..417e585aa97ad4bf339cbd50da38afb1a95dba68 100644
--- a/Calibration_Labbook.org
+++ b/Calibration_Labbook.org
@@ -576,7 +576,7 @@ and executed it (after =taurus-hostnames= was created and/or updated):
 
 #+begin_src sh :results output :exports both
 for i in {1..9}; do
-  mpirun -np 2 --mca pml ob1 --mca btl tcp,self -machinefile taurus-hostnames ./calibrate -f taurus-2016-06-09--$i/taurus.xml
+  mpirun -np 2 --mca pml ob1 --mca btl tcp,self -machinefile ./machinefile ./calibrate -f taurus-2016-06-09--$i/taurus.xml
   sleep 20
 done
 #+end_src
diff --git a/data/taurus_26_07_2016/calibration/machinefile b/data/taurus_26_07_2016/calibration/machinefile
new file mode 100644
index 0000000000000000000000000000000000000000..2b850c0b6d9b656eea542bf0ae1321c0e159f58e
--- /dev/null
+++ b/data/taurus_26_07_2016/calibration/machinefile
@@ -0,0 +1,12 @@
+taurus-9.lyon.grid5000.fr
+taurus-11.lyon.grid5000.fr
+taurus-12.lyon.grid5000.fr
+taurus-13.lyon.grid5000.fr
+taurus-15.lyon.grid5000.fr
+taurus-16.lyon.grid5000.fr
+taurus-3.lyon.grid5000.fr
+taurus-4.lyon.grid5000.fr
+taurus-5.lyon.grid5000.fr
+taurus-6.lyon.grid5000.fr
+taurus-8.lyon.grid5000.fr
+taurus-1.lyon.grid5000.fr