diff --git a/bfps/_code.py b/bfps/_code.py
index fe7c35ab48c27573ddeab3f18864aa4642408edf..fed603e3da2b6fe7e32a1dd398d59cdd38a5b49b 100644
--- a/bfps/_code.py
+++ b/bfps/_code.py
@@ -271,7 +271,7 @@ class _code(_base):
                 qsub_script_name = 'run_' + suffix + '.sh'
                 self.write_sge_file(
                     file_name     = os.path.join(self.work_dir, qsub_script_name),
-                    nprocesses    = nb_processes*nb_threads_per_process,
+                    nprocesses    = nb_processes,
                     name_of_run   = suffix,
                     command_atoms = command_atoms[5:],
                     hours         = hours,
@@ -590,14 +590,15 @@ class _code(_base):
                     envprocs))
         script_file.write('echo "got $NSLOTS slots."\n')
         script_file.write('echo "Start time is `date`"\n')
-        script_file.write('mpiexec -machinefile $TMPDIR/machines ' +
-                          '-genv OMP_NUM_THREADS={0} '.format(nb_threads_per_process) +
-                          '-genv OMP_PLACES=cores ' +
-                          '-genv LD_LIBRARY_PATH ' +
-                          '"' +
+        script_file.write('mpiexec \\\n' +
+                          '\t-machinefile $TMPDIR/machines \\\n' +
+                          '\t-genv OMP_NUM_THREADS={0} \\\n'.format(nb_threads_per_process) +
+                          '\t-genv OMP_PLACES=cores \\\n' +
+                          '\t-genv LD_LIBRARY_PATH \\\n' +
+                          '\t"' +
                           ':'.join([bfps.lib_dir] + bfps.install_info['library_dirs']) +
-                          '" ' +
-                          '-n {0} {1}\n'.format(nprocesses, ' '.join(command_atoms)))
+                          '" \\\n' +
+                          '\t-n {0} \\\n\t{1}\n'.format(nprocesses, ' '.join(command_atoms)))
         script_file.write('echo "End time is `date`"\n')
         script_file.write('exit 0\n')
         script_file.close()