diff --git a/src/MNH/ini_modeln.f90 b/src/MNH/ini_modeln.f90
index 443ca3adfa0454488d7c80fbb27a0203aa1e2dfe..41441eff3bddb52502a03c8d0b91937bd735bdbf 100644
--- a/src/MNH/ini_modeln.f90
+++ b/src/MNH/ini_modeln.f90
@@ -280,6 +280,7 @@ END MODULE MODI_INI_MODEL_n
 !!                   01/18 J.Colin Add DRAG 
 !  P. Wautelet 29/01/2019: bug: add missing zero-size allocations
 !  P. Wautelet 13/02/2019: initialize XALBUV even if no radiation (needed in CH_INTERP_JVALUES)
+!  P. Wautelet 13/02/2019: removed PPABSM and PTSTEP dummy arguments of READ_FIELD
 !---------------------------------------------------------------------------------
 !
 !*       0.    DECLARATIONS
@@ -1747,7 +1748,7 @@ IF (CCLOUD=='LIMA') CALL INIT_AEROSOL_PROPERTIES
 !              --------------------------------
 !
 CALL MPPDB_CHECK3D(XUT,"INI_MODEL_N-before read_field::XUT",PRECISION)
-CALL READ_FIELD(TPINIFILE,IIU,IJU,IKU,XTSTEP,                                 &
+CALL READ_FIELD(TPINIFILE,IIU,IJU,IKU,                                        &
                 CGETTKET,CGETRVT,CGETRCT,CGETRRT,CGETRIT,CGETCIT,             &
                 CGETRST,CGETRGT,CGETRHT,CGETSVT,CGETSRCT,CGETSIGS,CGETCLDFR,  &
                 CGETBL_DEPTH,CGETSBL_DEPTH,CGETPHC,CGETPHR,CUVW_ADV_SCHEME,   &
@@ -1755,7 +1756,7 @@ CALL READ_FIELD(TPINIFILE,IIU,IJU,IKU,XTSTEP,                                 &
                 NSIZELBXTKE_ll,NSIZELBYTKE_ll,                                &
                 NSIZELBXR_ll,NSIZELBYR_ll,NSIZELBXSV_ll,NSIZELBYSV_ll,        &
                 XUM,XVM,XWM,XDUM,XDVM,XDWM,                                   &
-                XUT,XVT,XWT,XTHT,XPABST,XPABSM,XTKET,XRTKEMS,                 &
+                XUT,XVT,XWT,XTHT,XPABST,XTKET,XRTKEMS,                        &
                 XRT,XSVT,XCIT,XDRYMASST,                                      &
                 XSIGS,XSRCT,XCLDFR,XBL_DEPTH,XSBL_DEPTH,XWTHVMF,XPHC,XPHR,    &
                 XLSUM,XLSVM,XLSWM,XLSTHM,XLSRVM,                              &
diff --git a/src/MNH/read_field.f90 b/src/MNH/read_field.f90
index da3a813fc4094a0bb365d9a3e859f96872e293fd..cba6d68cd76965ba93841e36c1390241bb450540 100644
--- a/src/MNH/read_field.f90
+++ b/src/MNH/read_field.f90
@@ -8,7 +8,7 @@
 !
 INTERFACE 
 !
-      SUBROUTINE READ_FIELD(TPINIFILE,KIU,KJU,KKU,PTSTEP,                    &
+      SUBROUTINE READ_FIELD(TPINIFILE,KIU,KJU,KKU,                           &
             HGETTKET,HGETRVT,HGETRCT,HGETRRT,HGETRIT,HGETCIT,                &
             HGETRST,HGETRGT,HGETRHT,HGETSVT,HGETSRCT,HGETSIGS,HGETCLDFR,     &
             HGETBL_DEPTH,HGETSBL_DEPTH,HGETPHC,HGETPHR,HUVW_ADV_SCHEME,      &
@@ -16,7 +16,7 @@ INTERFACE
             KSIZELBXTKE_ll,KSIZELBYTKE_ll,                                   &
             KSIZELBXR_ll,KSIZELBYR_ll,KSIZELBXSV_ll,KSIZELBYSV_ll,           &
             PUM,PVM,PWM,PDUM,PDVM,PDWM,                                      &
-            PUT,PVT,PWT,PTHT,PPABST,PPABSM,PTKET,PRTKEMS,                    &
+            PUT,PVT,PWT,PTHT,PPABST,PTKET,PRTKEMS,                           &
             PRT,PSVT,PCIT,PDRYMASST,                                         &
             PSIGS,PSRCT,PCLDFR,PBL_DEPTH,PSBL_DEPTH,PWTHVMF,PPHC,PPHR,       &
             PLSUM,PLSVM,PLSWM,PLSTHM,PLSRVM,                                 &
@@ -24,7 +24,7 @@ INTERFACE
             PLBYUM,PLBYVM,PLBYWM,PLBYTHM,PLBYTKEM,PLBYRM,PLBYSVM,            &
             KFRC,TPDTFRC,PUFRC,PVFRC,PWFRC,PTHFRC,PRVFRC,                    &
             PTENDTHFRC,PTENDRVFRC,PGXTHFRC,PGYTHFRC,PPGROUNDFRC,PATC,        &
-            PTENDUFRC,PTENDVFRC,                                             &            
+            PTENDUFRC,PTENDVFRC,                                             &
             KADVFRC,TPDTADVFRC,PDTHFRC,PDRVFRC,                              &
             KRELFRC,TPDTRELFRC, PTHREL, PRVREL,                              &
             PVTH_FLUX_M,PWTH_FLUX_M,PVU_FLUX_M,                              &
@@ -37,8 +37,6 @@ USE MODD_TIME ! for type DATE_TIME
 TYPE(TFILEDATA),           INTENT(IN)  :: TPINIFILE    !Initial file
 INTEGER,                   INTENT(IN)  :: KIU, KJU, KKU   
                              ! array sizes in x, y and z  directions
-REAL,                      INTENT(IN)  :: PTSTEP       
-                             ! current Time STEP   
 ! 
 CHARACTER (LEN=*),         INTENT(IN)  :: HGETTKET,                          &
                                           HGETRVT,HGETRCT,HGETRRT,           &
@@ -72,7 +70,6 @@ REAL, DIMENSION(:,:,:),    INTENT(OUT) :: PUT,PVT,PWT     ! U,V,W at t
 REAL, DIMENSION(:,:,:),    INTENT(OUT) :: PTHT,PTKET      ! theta, tke and
 REAL, DIMENSION(:,:,:),    INTENT(OUT) :: PRTKEMS         ! tke adv source
 REAL, DIMENSION(:,:,:),    INTENT(OUT) :: PPABST          ! pressure at t
-REAL, DIMENSION(:,:,:),    INTENT(OUT) :: PPABSM          ! pressure at t-1
 REAL, DIMENSION(:,:,:,:),  INTENT(OUT) :: PRT,PSVT        ! moist and scalar
                                                           ! variables at t
 REAL, DIMENSION(:,:,:),    INTENT(OUT) :: PSRCT           ! turbulent flux
@@ -124,7 +121,7 @@ END INTERFACE
 END MODULE MODI_READ_FIELD
 !
 !     ########################################################################
-      SUBROUTINE READ_FIELD(TPINIFILE,KIU,KJU,KKU,PTSTEP,                    &
+      SUBROUTINE READ_FIELD(TPINIFILE,KIU,KJU,KKU,                           &
             HGETTKET,HGETRVT,HGETRCT,HGETRRT,HGETRIT,HGETCIT,                &
             HGETRST,HGETRGT,HGETRHT,HGETSVT,HGETSRCT,HGETSIGS,HGETCLDFR,     &
             HGETBL_DEPTH,HGETSBL_DEPTH,HGETPHC,HGETPHR,HUVW_ADV_SCHEME,      &
@@ -132,7 +129,7 @@ END MODULE MODI_READ_FIELD
             KSIZELBXTKE_ll,KSIZELBYTKE_ll,                                   &
             KSIZELBXR_ll,KSIZELBYR_ll,KSIZELBXSV_ll,KSIZELBYSV_ll,           &
             PUM,PVM,PWM,PDUM,PDVM,PDWM,                                      &
-            PUT,PVT,PWT,PTHT,PPABST,PPABSM,PTKET,PRTKEMS,                    &
+            PUT,PVT,PWT,PTHT,PPABST,PTKET,PRTKEMS,                           &
             PRT,PSVT,PCIT,PDRYMASST,                                         &
             PSIGS,PSRCT,PCLDFR,PBL_DEPTH,PSBL_DEPTH,PWTHVMF,PPHC,PPHR,       &
             PLSUM,PLSVM,PLSWM,PLSTHM,PLSRVM,                                 &
@@ -140,7 +137,7 @@ END MODULE MODI_READ_FIELD
             PLBYUM,PLBYVM,PLBYWM,PLBYTHM,PLBYTKEM,PLBYRM,PLBYSVM,            &
             KFRC,TPDTFRC,PUFRC,PVFRC,PWFRC,PTHFRC,PRVFRC,                    &
             PTENDTHFRC,PTENDRVFRC,PGXTHFRC,PGYTHFRC,PPGROUNDFRC,PATC,        &
-            PTENDUFRC,PTENDVFRC,                                             &            
+            PTENDUFRC,PTENDVFRC,                                             &
             KADVFRC,TPDTADVFRC,PDTHFRC,PDRVFRC,                              &
             KRELFRC,TPDTRELFRC, PTHREL, PRVREL,                              &
             PVTH_FLUX_M,PWTH_FLUX_M,PVU_FLUX_M,                              &
@@ -238,6 +235,7 @@ END MODULE MODI_READ_FIELD
 !!  Philippe Wautelet: 05/2016-04/2018: new data structures and calls for I/O
 !!          V. Vionnet  07/17    add blowing snow scheme
 !!          P. Wautelet 01/2019  corrected intent of PDUM,PDVM,PDWM (OUT->INOUT)
+!  P. Wautelet 13/02/2019: removed PPABSM and PTSTEP dummy arguments (bugfix: PPABSM was intent(OUT))
 !!-------------------------------------------------------------------------------
 !
 !*       0.    DECLARATIONS
@@ -294,8 +292,6 @@ IMPLICIT NONE
 TYPE(TFILEDATA),           INTENT(IN)  :: TPINIFILE    !Initial file
 INTEGER,                   INTENT(IN)  :: KIU, KJU, KKU   
                              ! array sizes in x, y and z  directions
-REAL,                      INTENT(IN)  :: PTSTEP       
-                             ! current Time STEP   
 ! 
 CHARACTER (LEN=*),         INTENT(IN)  :: HGETTKET,                          &
                                           HGETRVT,HGETRCT,HGETRRT,           &
@@ -331,7 +327,6 @@ REAL, DIMENSION(:,:,:),    INTENT(OUT) :: PUT,PVT,PWT     ! U,V,W at t
 REAL, DIMENSION(:,:,:),    INTENT(OUT) :: PTHT,PTKET      ! theta, tke and
 REAL, DIMENSION(:,:,:),    INTENT(OUT) :: PRTKEMS         ! tke adv source
 REAL, DIMENSION(:,:,:),    INTENT(OUT) :: PPABST          ! pressure at t
-REAL, DIMENSION(:,:,:),    INTENT(OUT) :: PPABSM          ! pressure at t-1
 REAL, DIMENSION(:,:,:,:),  INTENT(OUT) :: PRT,PSVT        ! moist and scalar
                                                           ! variables at t
 REAL, DIMENSION(:,:,:),    INTENT(OUT) :: PSRCT           ! turbulent flux