diff --git a/src/ZSOLVER/p_abs.f90 b/src/ZSOLVER/p_abs.f90
index 962230cdef3cb516e4c15f18983d6bf2784f7939..5f6bc62e976b79fbfe04e96bedc1f38f2129fc66 100644
--- a/src/ZSOLVER/p_abs.f90
+++ b/src/ZSOLVER/p_abs.f90
@@ -306,8 +306,7 @@ IF ( CEQNSYS=='DUR' .OR. CEQNSYS=='MAE' ) THEN
     !$acc parallel
     !$acc loop seq
     DO JK = IKB,IKE
-      !$acc loop independent   
-      DO CONCURRENT ( JJ = IJB:IJE , JI = IIB:IIE )
+       !$mnh_do_concurrent(JI=IIB:IIE,JJ=IJB:IJE)
            ZMASSGUESS_2D(JI,JJ)  = ZMASSGUESS_2D(JI,JJ) +        &
 #if !defined(MNH_BITREP) && !defined(MNH_BITREP_OMP)
                 (PEXNREF(JI,JJ,JK)+PPHIT(JI,JJ,JK))**ZCVD_O_RD   &
@@ -322,7 +321,7 @@ IF ( CEQNSYS=='DUR' .OR. CEQNSYS=='MAE' ) THEN
           ZMASS_O_PI_2D(JI,JJ)  = ZMASS_O_PI_2D(JI,JJ) + ZWORK(JI,JJ,JK) / PTHETAV(JI,JJ,JK)
           ZWATERMASST_2D(JI,JJ) = ZWATERMASST_2D(JI,JJ) +       &
             ZRTOT(JI,JJ,JK) * ZWORK(JI,JJ,JK) * PRHODREF(JI,JJ,JK)
-      END DO
+       !$mnh_end_do()
     END DO
     !$acc end parallel
     !
@@ -377,8 +376,7 @@ IF ( CEQNSYS=='DUR' .OR. CEQNSYS=='MAE' ) THEN
      !$acc parallel
      !$acc loop seq 
      DO JK = IKB,IKE
-      !$acc loop independent   
-      DO CONCURRENT ( JJ = IJB:IJE , JI = IIB:IIE )
+      !$mnh_do_concurrent(JI=IIB:IIE,JJ=IJB:IJE )    
               ZMASSGUESS_2D(JI,JJ)  = ZMASSGUESS_2D(JI,JJ) +               &
 #if !defined(MNH_BITREP) && !defined(MNH_BITREP_OMP)                   
                    (PEXNREF(JI,JJ,JK)+PPHIT(JI,JJ,JK))**ZCVD_O_RD          &
@@ -390,7 +388,7 @@ IF ( CEQNSYS=='DUR' .OR. CEQNSYS=='MAE' ) THEN
 #endif
 #endif
                    * ZWORK(JI,JJ,JK) / PTHETAV(JI,JJ,JK)
-      END DO
+      !$mnh_end_do()
      END DO
      !$acc end parallel
   ELSE