diff --git a/src/MNH/modd_outn.f90 b/src/MNH/modd_outn.f90
index 531d77413eeea3e5fd39707f70772b36d1036383..9f365bfea9af018103c38e640d04ce3abefd69fd 100644
--- a/src/MNH/modd_outn.f90
+++ b/src/MNH/modd_outn.f90
@@ -48,7 +48,7 @@ IMPLICIT NONE
 
 TYPE OUT_t
 !
-  INTEGER             :: NBAK_NUMB, NOUT_NUMB ! number of outputs and backups performed by model n
+  INTEGER             :: NBAK_NUMB=0, NOUT_NUMB=0 ! Number of outputs and backups performed by model n
   TYPE(TOUTBAK),DIMENSION(:),POINTER :: TBACKUPN=>NULL(),TOUTPUTN=>NULL()
 ! Lists of the outputs and backups
 !
diff --git a/src/MNH/set_grid.f90 b/src/MNH/set_grid.f90
index 1aca11b48797505e572020f4d84504127df82b14..09476616cf00ab6b0d253917ed5be7719ad11e0c 100644
--- a/src/MNH/set_grid.f90
+++ b/src/MNH/set_grid.f90
@@ -516,7 +516,7 @@ KSTOP = NINT(PSEGLEN/PTSTEP)
 !*       2.3    Temporal grid - outputs managment
 !
 ! The output/backups times have been read only by model 1
-IF (KMI == 1) CALL IO_PREPARE_BAKOUT_STRUCT(ISUP,PTSTEP,PSEGLEN)
+IF (CPROGRAM == 'MESONH' .AND. KMI == 1) CALL IO_PREPARE_BAKOUT_STRUCT(ISUP,PTSTEP,PSEGLEN)
 !
 KBAK_NUMB => OUT_MODEL(KMI)%NBAK_NUMB
 KOUT_NUMB => OUT_MODEL(KMI)%NOUT_NUMB