diff --git a/src/MNH/ini_one_wayn.f90 b/src/MNH/ini_one_wayn.f90
index 1c0ad2b5901320189bbe83a3595c7ef33a226bda..61626d6fe5d7c5a5a43a9974851f3f9c468de686 100644
--- a/src/MNH/ini_one_wayn.f90
+++ b/src/MNH/ini_one_wayn.f90
@@ -140,7 +140,7 @@ SUBROUTINE INI_ONE_WAY_n(KDAD,HLUOUT,PTSTEP,KMI,KTCOUNT, &
!! J.Escobar : 18/12/2015 : Correction of bug in bound in // for NHALO <>1
!! B.VIE 2016 : LIMA
! P. Wautelet 05/2016-04/2018: new data structures and calls for I/O
-! P. Wautelet 04/06/2020: correct call to Set_conc_lima
+! P. Wautelet 04/06/2020: correct call to Set_conc_lima + initialize ZCONCM
!------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
@@ -402,6 +402,7 @@ ENDIF
IF (HCLOUD=="LIMA" ) THEN
IF (CCLOUD/="LIMA") THEN
ALLOCATE(ZCONCM(SIZE(XRHODJ,1),SIZE(XRHODJ,2),SIZE(XRHODJ,3),NSV_LIMA_A(KMI)))
+ ZCONCM(:, :, :, :) = 0.
IF (CCLOUD == "REVE") THEN
ZINIT_TYPE = "INI1"
ELSE
diff --git a/src/MNH/one_wayn.f90 b/src/MNH/one_wayn.f90
index baa51ac836518fb8f3581189526b0f1b2839c026..e31ffce7bb3072819d8b87f0e2530a3be7e8eea8 100644
--- a/src/MNH/one_wayn.f90
+++ b/src/MNH/one_wayn.f90
@@ -187,7 +187,7 @@ SUBROUTINE ONE_WAY_n(KDAD,PTSTEP,KMI,KTCOUNT, &
!! J.Escobar : 18/12/2015 : Correction of bug in bound in // for NHALO <>1
!! Modification 01/2016 (JP Pinty) Add LIMA
! P. Wautelet: 05/2016-04/2018: new data structures and calls for I/O
-! P. Wautelet 04/06/2020: correct call to Set_conc_lima
+! P. Wautelet 04/06/2020: correct call to Set_conc_lima + initialize ZCONCT
!------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
@@ -483,6 +483,7 @@ ENDIF
IF (HCLOUD=="LIMA" ) THEN
IF (CCLOUD/="LIMA") THEN
ALLOCATE(ZCONCT(SIZE(XRHODJ,1),SIZE(XRHODJ,2),SIZE(XRHODJ,3),NSV_LIMA_A(KMI)))
+ ZCONCT(:, :, :, :) = 0.
IF (CCLOUD == "REVE") THEN
ZINIT_TYPE = "INI1"
ELSE