diff --git a/src/ZSOLVER/advecuvw_rk.f90 b/src/ZSOLVER/advecuvw_rk.f90
index 4ffe3257610dd7e3cbfcea9ebbe733039379aa0b..783da5c8106d8c50a9f5df5731e3c18f7f18b866 100644
--- a/src/ZSOLVER/advecuvw_rk.f90
+++ b/src/ZSOLVER/advecuvw_rk.f90
@@ -675,7 +675,7 @@ CALL CLEANLIST_ll(TZFIELDMT_ll)
 #ifndef MNH_OPENACC 
 CALL DEL_HALO2_ll(TZHALO2MT_ll)
 #endif
-!$acc update self(PRUS_ADV,PRVS_ADV,PRWS_ADV)
+!!!!!!!!!!$acc update self(PRUS_ADV,PRVS_ADV,PRWS_ADV)
 !-------------------------------------------------------------------------------
 
 !$acc end data