diff --git a/src/MNH/ini_budget.f90 b/src/MNH/ini_budget.f90
index d5918cc5a8b7449a18a395d1099d14d1ff01f621..b282ed84b6f7814f43cf466e150ae94f1ad01d64 100644
--- a/src/MNH/ini_budget.f90
+++ b/src/MNH/ini_budget.f90
@@ -2815,6 +2815,11 @@ SV_BUDGETS: do jsv = 1, ksv
     tzsource%clongname = 'total advection'
     call Budget_source_add( tbudgets(ibudget), tzsource, gcond, nadvsv )
 
+    gcond = .true.
+    tzsource%cmnhname  = 'NEGA2'
+    tzsource%clongname = 'negative correction'
+    call Budget_source_add( tbudgets(ibudget), tzsource, gcond, nnega2sv )
+
     ! Add specific source terms to different scalar variables
     igroup = 1
     SV_VAR: if ( jsv <= nsv_user ) then
diff --git a/src/MNH/modd_budget.f90 b/src/MNH/modd_budget.f90
index 9c5b03aba683a8280ecc884e8532e8c3f7b9db67..6b883941bf2b80a7e408fdf59d692806277fe993 100644
--- a/src/MNH/modd_budget.f90
+++ b/src/MNH/modd_budget.f90
@@ -636,6 +636,7 @@ INTEGER, SAVE :: NNEGASV  = 0 ! negative correction
 INTEGER, SAVE :: NNETURSV = 0 ! negative correction
 INTEGER, SAVE :: NNEADVSV = 0 ! negative correction
 INTEGER, SAVE :: NNECONSV = 0 ! negative correction
+INTEGER, SAVE :: NNEGA2SV = 0 ! negative correction
 !
 ! Allowed processes for the budget of electric charge carried by water vapor
 INTEGER, SAVE :: NDRIFTQV  = 0
diff --git a/src/MNH/modeln.f90 b/src/MNH/modeln.f90
index e80725a5970031a553f0cc6c22ea706d07e821b7..2121c0f632b351c0bbee84c381efb3b824bdbb38 100644
--- a/src/MNH/modeln.f90
+++ b/src/MNH/modeln.f90
@@ -268,6 +268,7 @@ END MODULE MODI_MODEL_n
 !  J. Escobar  27/09/2019: add missing report timing of RESOLVED_ELEC
 !  P. Wautelet 02-03/2020: use the new data structures and subroutines for budgets
 !  P. Wautelet 12/10/2020: Write_les_n: remove HLES_AVG dummy argument and group all 4 calls
+!  P. Wautelet 19/02/2021: add NEGA2 term for SV budgets
 !!-------------------------------------------------------------------------------
 !
 !*       0.     DECLARATIONS
@@ -354,7 +355,7 @@ USE MODD_TURB_CLOUD,     ONLY: NMODEL_CLOUD,CTURBLEN_CLOUD,XCEI
 USE MODD_TURB_n
 USE MODD_VISCOSITY
 !
-use mode_budget,           only: Budget_store_init
+use mode_budget,           only: Budget_store_init, Budget_store_end
 USE MODE_DATETIME
 USE MODE_ELEC_ll
 USE MODE_GRIDCART
@@ -1215,7 +1216,13 @@ IF ( LNUMDIFU .OR. LNUMDIFTH .OR. LNUMDIFSV ) THEN
                   LZDIFFU,LNUMDIFU, LNUMDIFTH, LNUMDIFSV,               &
                   THALO2T_ll, TLSHALO2_ll,XZDIFFU_HALO2      )
 END IF
-!
+
+if ( lbudget_sv ) then
+  do jsv = 1, nsv
+    call Budget_store_init( tbudgets(jsv + NBUDGET_SV1 - 1), 'NEGA2', xrsvs(:, :, :, jsv) )
+  end do
+end if
+
 DO JSV = NSV_CHEMBEG,NSV_CHEMEND
   XRSVS(:,:,:,JSV) = MAX(XRSVS(:,:,:,JSV),0.)
 END DO
@@ -1261,6 +1268,12 @@ IF (CELEC .NE. 'NONE') THEN
   XRSVS(:,:,:,NSV_ELECBEG) = MAX(XRSVS(:,:,:,NSV_ELECBEG),0.)
   XRSVS(:,:,:,NSV_ELECEND) = MAX(XRSVS(:,:,:,NSV_ELECEND),0.)
 END IF
+
+if ( lbudget_sv ) then
+  do jsv = 1, nsv
+    call Budget_store_end( tbudgets(jsv + NBUDGET_SV1 - 1), 'NEGA2', xrsvs(:, :, :, jsv) )
+  end do
+end if
 !
 CALL SECOND_MNH2(ZTIME2)
 !
diff --git a/src/MNH/modn_budget.f90 b/src/MNH/modn_budget.f90
index 85396d8e05241411fd24169db8d4581749b9b9f0..d433f3809d4d3fed32ff5ce6cc34ba7054eebdd3 100644
--- a/src/MNH/modn_budget.f90
+++ b/src/MNH/modn_budget.f90
@@ -305,9 +305,9 @@ NAMELIST/NAM_BU_RRH/LBU_RRH, NASSERH, NNESTRH, NADVRH, NFRCRH, &
                     NCORRRH, NHGCVRH, NGHCVRH, NCOHGRH, NHMLTRH, &
                     NNETURRH, NNEADVRH, NNECONRH, NVISCRH
 ! 
-NAMELIST/NAM_BU_RSV/ LBU_RSV, NASSESV,  NNESTSV,  NADVSV,   NFRCSV, &
-                     NDIFSV,  NRELSV,   NDCONVSV, NVTURBSV, NHTURBSV, NCHEMSV, NMAFLSV,          &
-                     NVISCSV, NNEGASV,  NNETURSV, NNEADVSV, NNECONSV,                            &
+NAMELIST/NAM_BU_RSV/ LBU_RSV,  NASSESV,  NNESTSV,  NADVSV,   NFRCSV, &
+                     NDIFSV,   NRELSV,   NDCONVSV, NVTURBSV, NHTURBSV, NCHEMSV,  NMAFLSV,          &
+                     NVISCSV,  NNEGASV,  NNETURSV, NNEADVSV, NNECONSV, NNEGA2SV,                   &
                      NDRIFTQV, NCORAYQV, NDEPSQV, NDEPGQV,   NREVAQV,  NCDEPIQV, NNEUTQV,          &
                      NHONQC,   NAUTOQC,  NACCRQC, NRIMQC,    NWETGQC,  NDRYGQC,  NINCGQC, NWETHQC, &
                      NIMLTQC,  NBERFIQC, NSEDIQC, NCDEPIQC,  NNEUTQC,                              &