diff --git a/src/ZSOLVER/turb.f90 b/src/ZSOLVER/turb.f90
index f60bd4d1b4e64a1502857eb6757cb086cace2347..5042cd5a93b9027bbaf0bc33de860fffc0a81045 100644
--- a/src/ZSOLVER/turb.f90
+++ b/src/ZSOLVER/turb.f90
@@ -776,6 +776,7 @@ IF (KRRL >=1) THEN
 #else
 !$acc kernels 
 #endif
+  !dir$ concurrent 
   ZT(:,:,:) =  PTHLT(:,:,:) * ZEXN(:,:,:)
 !$acc end kernels
 !
@@ -862,23 +863,26 @@ END IF              ! loop end on KRRL >= 1
 IF ( KRRL >= 1 ) THEN
 !$acc kernels
   IF ( KRRI >= 1 ) THEN
-    ! Rnp at t
-    PRT(:,:,:,1)  = PRT(:,:,:,1)  + PRT(:,:,:,2)  + PRT(:,:,:,4)
-    PRRS(:,:,:,1) = PRRS(:,:,:,1) + PRRS(:,:,:,2) + PRRS(:,:,:,4)
-    ! Theta_l at t
-    PTHLT(:,:,:)  = PTHLT(:,:,:)  - ZLVOCPEXNM(:,:,:) * PRT(:,:,:,2) &
-                                  - ZLSOCPEXNM(:,:,:) * PRT(:,:,:,4)
-    PRTHLS(:,:,:) = PRTHLS(:,:,:) - ZLVOCPEXNM(:,:,:) * PRRS(:,:,:,2) &
-                                  - ZLSOCPEXNM(:,:,:) * PRRS(:,:,:,4)
-  ELSE
-    ! Rnp at t
-    PRT(:,:,:,1)  = PRT(:,:,:,1)  + PRT(:,:,:,2) 
-    PRRS(:,:,:,1) = PRRS(:,:,:,1) + PRRS(:,:,:,2)
-    ! Theta_l at t
-    PTHLT(:,:,:)  = PTHLT(:,:,:)  - ZLOCPEXNM(:,:,:) * PRT(:,:,:,2)
-    !dir$ concurrent
-    PRTHLS(:,:,:) = PRTHLS(:,:,:) - ZLOCPEXNM(:,:,:) * PRRS(:,:,:,2)
-  END IF
+    DO CONCURRENT (JI=1:JIU,JJ=1:JJU,JK=1:JKU)
+       ! Rnp at t
+       PRT(JI,JJ,JK,1)  = PRT(JI,JJ,JK,1)  + PRT(JI,JJ,JK,2)  + PRT(JI,JJ,JK,4)
+       PRRS(JI,JJ,JK,1) = PRRS(JI,JJ,JK,1) + PRRS(JI,JJ,JK,2) + PRRS(JI,JJ,JK,4)
+       ! Theta_l at t
+       PTHLT(JI,JJ,JK)  = PTHLT(JI,JJ,JK)  - ZLVOCPEXNM(JI,JJ,JK) * PRT(JI,JJ,JK,2) &
+            - ZLSOCPEXNM(JI,JJ,JK) * PRT(JI,JJ,JK,4)
+       PRTHLS(JI,JJ,JK) = PRTHLS(JI,JJ,JK) - ZLVOCPEXNM(JI,JJ,JK) * PRRS(JI,JJ,JK,2) &
+            - ZLSOCPEXNM(JI,JJ,JK) * PRRS(JI,JJ,JK,4)
+    ENDDO
+ ELSE
+    DO CONCURRENT (JI=1:JIU,JJ=1:JJU,JK=1:JKU)
+       ! Rnp at t   
+       PRT(JI,JJ,JK,1)  = PRT(JI,JJ,JK,1)  + PRT(JI,JJ,JK,2) 
+       PRRS(JI,JJ,JK,1) = PRRS(JI,JJ,JK,1) + PRRS(JI,JJ,JK,2)
+       ! Theta_l at t
+       PTHLT(JI,JJ,JK)  = PTHLT(JI,JJ,JK)  - ZLOCPEXNM(JI,JJ,JK) * PRT(JI,JJ,JK,2)
+       PRTHLS(JI,JJ,JK) = PRTHLS(JI,JJ,JK) - ZLOCPEXNM(JI,JJ,JK) * PRRS(JI,JJ,JK,2)
+    ENDDO
+ END IF
 !$acc end kernels
 END IF
 !